Home / 5,978,593.60-8,968,765.20-3,138,919.90

Finding the Fourth Proportional to 5,978,593.60, 8,968,765.20 and 3,138,919.90

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Solution

The fourth proportional to 5,978,593.60, 8,968,765.20 and 3,138,919.90 is: 4,708,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,593.60 : 8,968,765.20 = 3,138,919.90 : x
  2. Step 2: Convert to fraction form
    5,978,593.60/8,968,765.20 = 3,138,919.90/x
  3. Step 3: Cross multiply
    5,978,593.60x = 8,968,765.20 × 3,138,919.90
  4. Step 4: Simplify right side
    5,978,593.60x = 28,152,235,564,707.48
  5. Step 5: Solve for x
    x = 28,152,235,564,707.48/5,978,593.60
  6. Step 6: Final answer
    x = 4,708,839.14

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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.