Home / 2,656,414.40-3,984,103.20-858,862.40

Finding the Fourth Proportional to 2,656,414.40, 3,984,103.20 and 858,862.40

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Solution

The fourth proportional to 2,656,414.40, 3,984,103.20 and 858,862.40 is: 1,288,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,414.40 : 3,984,103.20 = 858,862.40 : x
  2. Step 2: Convert to fraction form
    2,656,414.40/3,984,103.20 = 858,862.40/x
  3. Step 3: Cross multiply
    2,656,414.40x = 3,984,103.20 × 858,862.40
  4. Step 4: Simplify right side
    2,656,414.40x = 3,421,796,436,199.68
  5. Step 5: Solve for x
    x = 3,421,796,436,199.68/2,656,414.40
  6. Step 6: Final answer
    x = 1,288,125.99

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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.