Home / 3,377,821.80-5,067,065.34-981,687.36

Finding the Fourth Proportional to 3,377,821.80, 5,067,065.34 and 981,687.36

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Solution

The fourth proportional to 3,377,821.80, 5,067,065.34 and 981,687.36 is: 1,472,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377,821.80 : 5,067,065.34 = 981,687.36 : x
  2. Step 2: Convert to fraction form
    3,377,821.80/5,067,065.34 = 981,687.36/x
  3. Step 3: Cross multiply
    3,377,821.80x = 5,067,065.34 × 981,687.36
  4. Step 4: Simplify right side
    3,377,821.80x = 4,974,273,996,572.10
  5. Step 5: Solve for x
    x = 4,974,273,996,572.10/3,377,821.80
  6. Step 6: Final answer
    x = 1,472,627.71

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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.