Home / 3,856,540.20-5,780,663.10-1,459,458.60

Finding the Fourth Proportional to 3,856,540.20, 5,780,663.10 and 1,459,458.60

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Solution

The fourth proportional to 3,856,540.20, 5,780,663.10 and 1,459,458.60 is: 2,187,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,540.20 : 5,780,663.10 = 1,459,458.60 : x
  2. Step 2: Convert to fraction form
    3,856,540.20/5,780,663.10 = 1,459,458.60/x
  3. Step 3: Cross multiply
    3,856,540.20x = 5,780,663.10 × 1,459,458.60
  4. Step 4: Simplify right side
    3,856,540.20x = 8,436,638,474,997.66
  5. Step 5: Solve for x
    x = 8,436,638,474,997.66/3,856,540.20
  6. Step 6: Final answer
    x = 2,187,618.44

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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.