Home / 3,138,304.30-4,707,456.45-2,221,568.60

Finding the Fourth Proportional to 3,138,304.30, 4,707,456.45 and 2,221,568.60

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Solution

The fourth proportional to 3,138,304.30, 4,707,456.45 and 2,221,568.60 is: 3,332,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,304.30 : 4,707,456.45 = 2,221,568.60 : x
  2. Step 2: Convert to fraction form
    3,138,304.30/4,707,456.45 = 2,221,568.60/x
  3. Step 3: Cross multiply
    3,138,304.30x = 4,707,456.45 × 2,221,568.60
  4. Step 4: Simplify right side
    3,138,304.30x = 10,457,937,435,187.47
  5. Step 5: Solve for x
    x = 10,457,937,435,187.47/3,138,304.30
  6. Step 6: Final answer
    x = 3,332,352.90

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Double scale
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Similar ratio
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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.