Home / 2,479,717.40-3,422,123.68-1,377,153.84

Finding the Fourth Proportional to 2,479,717.40, 3,422,123.68 and 1,377,153.84

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Solution

The fourth proportional to 2,479,717.40, 3,422,123.68 and 1,377,153.84 is: 1,900,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,717.40 : 3,422,123.68 = 1,377,153.84 : x
  2. Step 2: Convert to fraction form
    2,479,717.40/3,422,123.68 = 1,377,153.84/x
  3. Step 3: Cross multiply
    2,479,717.40x = 3,422,123.68 × 1,377,153.84
  4. Step 4: Simplify right side
    2,479,717.40x = 4,712,790,766,866.93
  5. Step 5: Solve for x
    x = 4,712,790,766,866.93/2,479,717.40
  6. Step 6: Final answer
    x = 1,900,535.43

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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.