Home / 3,138,301.80-4,707,452.70-2,221,566.10

Finding the Fourth Proportional to 3,138,301.80, 4,707,452.70 and 2,221,566.10

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Solution

The fourth proportional to 3,138,301.80, 4,707,452.70 and 2,221,566.10 is: 3,332,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,301.80 : 4,707,452.70 = 2,221,566.10 : x
  2. Step 2: Convert to fraction form
    3,138,301.80/4,707,452.70 = 2,221,566.10/x
  3. Step 3: Cross multiply
    3,138,301.80x = 4,707,452.70 × 2,221,566.10
  4. Step 4: Simplify right side
    3,138,301.80x = 10,457,917,335,673.47
  5. Step 5: Solve for x
    x = 10,457,917,335,673.47/3,138,301.80
  6. Step 6: Final answer
    x = 3,332,349.15

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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.