Home / 3,138,302.80-4,707,454.20-2,221,567.10

Finding the Fourth Proportional to 3,138,302.80, 4,707,454.20 and 2,221,567.10

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Solution

The fourth proportional to 3,138,302.80, 4,707,454.20 and 2,221,567.10 is: 3,332,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,302.80 : 4,707,454.20 = 2,221,567.10 : x
  2. Step 2: Convert to fraction form
    3,138,302.80/4,707,454.20 = 2,221,567.10/x
  3. Step 3: Cross multiply
    3,138,302.80x = 4,707,454.20 × 2,221,567.10
  4. Step 4: Simplify right side
    3,138,302.80x = 10,457,925,375,476.82
  5. Step 5: Solve for x
    x = 10,457,925,375,476.82/3,138,302.80
  6. Step 6: Final answer
    x = 3,332,350.65

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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.