Home / 3,319,781.70-4,979,672.55-3,120,327.30

Finding the Fourth Proportional to 3,319,781.70, 4,979,672.55 and 3,120,327.30

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Solution

The fourth proportional to 3,319,781.70, 4,979,672.55 and 3,120,327.30 is: 4,680,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,781.70 : 4,979,672.55 = 3,120,327.30 : x
  2. Step 2: Convert to fraction form
    3,319,781.70/4,979,672.55 = 3,120,327.30/x
  3. Step 3: Cross multiply
    3,319,781.70x = 4,979,672.55 × 3,120,327.30
  4. Step 4: Simplify right side
    3,319,781.70x = 15,538,208,202,825.61
  5. Step 5: Solve for x
    x = 15,538,208,202,825.61/3,319,781.70
  6. Step 6: Final answer
    x = 4,680,490.95

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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.