Home / 3,687,812.38-5,077,600.18-3,135,441.79

Finding the Fourth Proportional to 3,687,812.38, 5,077,600.18 and 3,135,441.79

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Solution

The fourth proportional to 3,687,812.38, 5,077,600.18 and 3,135,441.79 is: 4,317,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,812.38 : 5,077,600.18 = 3,135,441.79 : x
  2. Step 2: Convert to fraction form
    3,687,812.38/5,077,600.18 = 3,135,441.79/x
  3. Step 3: Cross multiply
    3,687,812.38x = 5,077,600.18 × 3,135,441.79
  4. Step 4: Simplify right side
    3,687,812.38x = 15,920,519,797,283.52
  5. Step 5: Solve for x
    x = 15,920,519,797,283.52/3,687,812.38
  6. Step 6: Final answer
    x = 4,317,063.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.