Home / 3,120,606.30-4,680,909.45-2,766,312.30

Finding the Fourth Proportional to 3,120,606.30, 4,680,909.45 and 2,766,312.30

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Solution

The fourth proportional to 3,120,606.30, 4,680,909.45 and 2,766,312.30 is: 4,149,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,606.30 : 4,680,909.45 = 2,766,312.30 : x
  2. Step 2: Convert to fraction form
    3,120,606.30/4,680,909.45 = 2,766,312.30/x
  3. Step 3: Cross multiply
    3,120,606.30x = 4,680,909.45 × 2,766,312.30
  4. Step 4: Simplify right side
    3,120,606.30x = 12,948,857,386,721.23
  5. Step 5: Solve for x
    x = 12,948,857,386,721.23/3,120,606.30
  6. Step 6: Final answer
    x = 4,149,468.45

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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.