Home / 2,109,153.12-3,164,268.96-613,245.12

Finding the Fourth Proportional to 2,109,153.12, 3,164,268.96 and 613,245.12

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Solution

The fourth proportional to 2,109,153.12, 3,164,268.96 and 613,245.12 is: 920,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,153.12 : 3,164,268.96 = 613,245.12 : x
  2. Step 2: Convert to fraction form
    2,109,153.12/3,164,268.96 = 613,245.12/x
  3. Step 3: Cross multiply
    2,109,153.12x = 3,164,268.96 × 613,245.12
  4. Step 4: Simplify right side
    2,109,153.12x = 1,940,472,498,087.48
  5. Step 5: Solve for x
    x = 1,940,472,498,087.48/2,109,153.12
  6. Step 6: Final answer
    x = 920,024.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.