Home / 5,142,540.05-7,707,042.22-2,869,134.87

Finding the Fourth Proportional to 5,142,540.05, 7,707,042.22 and 2,869,134.87

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Solution

The fourth proportional to 5,142,540.05, 7,707,042.22 and 2,869,134.87 is: 4,299,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,540.05 : 7,707,042.22 = 2,869,134.87 : x
  2. Step 2: Convert to fraction form
    5,142,540.05/7,707,042.22 = 2,869,134.87/x
  3. Step 3: Cross multiply
    5,142,540.05x = 7,707,042.22 × 2,869,134.87
  4. Step 4: Simplify right side
    5,142,540.05x = 22,112,543,561,720.30
  5. Step 5: Solve for x
    x = 22,112,543,561,720.30/5,142,540.05
  6. Step 6: Final answer
    x = 4,299,926.37

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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.