Home / 3,948,834.40-5,923,251.60-1,109,039.20

Finding the Fourth Proportional to 3,948,834.40, 5,923,251.60 and 1,109,039.20

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Solution

The fourth proportional to 3,948,834.40, 5,923,251.60 and 1,109,039.20 is: 1,663,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,834.40 : 5,923,251.60 = 1,109,039.20 : x
  2. Step 2: Convert to fraction form
    3,948,834.40/5,923,251.60 = 1,109,039.20/x
  3. Step 3: Cross multiply
    3,948,834.40x = 5,923,251.60 × 1,109,039.20
  4. Step 4: Simplify right side
    3,948,834.40x = 6,569,118,215,862.72
  5. Step 5: Solve for x
    x = 6,569,118,215,862.72/3,948,834.40
  6. Step 6: Final answer
    x = 1,663,558.80

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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.