Home / 6,517,781.60-9,780,171.60-2,731,647.20

Finding the Fourth Proportional to 6,517,781.60, 9,780,171.60 and 2,731,647.20

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Solution

The fourth proportional to 6,517,781.60, 9,780,171.60 and 2,731,647.20 is: 4,098,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,781.60 : 9,780,171.60 = 2,731,647.20 : x
  2. Step 2: Convert to fraction form
    6,517,781.60/9,780,171.60 = 2,731,647.20/x
  3. Step 3: Cross multiply
    6,517,781.60x = 9,780,171.60 × 2,731,647.20
  4. Step 4: Simplify right side
    6,517,781.60x = 26,715,978,366,659.52
  5. Step 5: Solve for x
    x = 26,715,978,366,659.52/6,517,781.60
  6. Step 6: Final answer
    x = 4,098,937.34

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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.