Home / 3,478,432.20-5,217,648.30-1,234,278.60

Finding the Fourth Proportional to 3,478,432.20, 5,217,648.30 and 1,234,278.60

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Solution

The fourth proportional to 3,478,432.20, 5,217,648.30 and 1,234,278.60 is: 1,851,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,432.20 : 5,217,648.30 = 1,234,278.60 : x
  2. Step 2: Convert to fraction form
    3,478,432.20/5,217,648.30 = 1,234,278.60/x
  3. Step 3: Cross multiply
    3,478,432.20x = 5,217,648.30 × 1,234,278.60
  4. Step 4: Simplify right side
    3,478,432.20x = 6,440,031,639,016.38
  5. Step 5: Solve for x
    x = 6,440,031,639,016.38/3,478,432.20
  6. Step 6: Final answer
    x = 1,851,417.90

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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.