Home / 4,780,938.25-7,172,811.92-1,415,232.73

Finding the Fourth Proportional to 4,780,938.25, 7,172,811.92 and 1,415,232.73

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Solution

The fourth proportional to 4,780,938.25, 7,172,811.92 and 1,415,232.73 is: 2,123,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,938.25 : 7,172,811.92 = 1,415,232.73 : x
  2. Step 2: Convert to fraction form
    4,780,938.25/7,172,811.92 = 1,415,232.73/x
  3. Step 3: Cross multiply
    4,780,938.25x = 7,172,811.92 × 1,415,232.73
  4. Step 4: Simplify right side
    4,780,938.25x = 10,151,198,195,318.14
  5. Step 5: Solve for x
    x = 10,151,198,195,318.14/4,780,938.25
  6. Step 6: Final answer
    x = 2,123,264.86

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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.