Home / 3,081,333.90-4,253,309.55-2,117,654.22

Finding the Fourth Proportional to 3,081,333.90, 4,253,309.55 and 2,117,654.22

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Solution

The fourth proportional to 3,081,333.90, 4,253,309.55 and 2,117,654.22 is: 2,923,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,333.90 : 4,253,309.55 = 2,117,654.22 : x
  2. Step 2: Convert to fraction form
    3,081,333.90/4,253,309.55 = 2,117,654.22/x
  3. Step 3: Cross multiply
    3,081,333.90x = 4,253,309.55 × 2,117,654.22
  4. Step 4: Simplify right side
    3,081,333.90x = 9,007,038,917,523.80
  5. Step 5: Solve for x
    x = 9,007,038,917,523.80/3,081,333.90
  6. Step 6: Final answer
    x = 2,923,097.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.