Home / 5,435,806.50-7,501,221.90-2,988,399.78

Finding the Fourth Proportional to 5,435,806.50, 7,501,221.90 and 2,988,399.78

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Solution

The fourth proportional to 5,435,806.50, 7,501,221.90 and 2,988,399.78 is: 4,123,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,806.50 : 7,501,221.90 = 2,988,399.78 : x
  2. Step 2: Convert to fraction form
    5,435,806.50/7,501,221.90 = 2,988,399.78/x
  3. Step 3: Cross multiply
    5,435,806.50x = 7,501,221.90 × 2,988,399.78
  4. Step 4: Simplify right side
    5,435,806.50x = 22,416,649,875,691.18
  5. Step 5: Solve for x
    x = 22,416,649,875,691.18/5,435,806.50
  6. Step 6: Final answer
    x = 4,123,886.65

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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.