Home / 2,931,677.60-4,397,400.33-1,225,380.20

Finding the Fourth Proportional to 2,931,677.60, 4,397,400.33 and 1,225,380.20

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Solution

The fourth proportional to 2,931,677.60, 4,397,400.33 and 1,225,380.20 is: 1,838,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,677.60 : 4,397,400.33 = 1,225,380.20 : x
  2. Step 2: Convert to fraction form
    2,931,677.60/4,397,400.33 = 1,225,380.20/x
  3. Step 3: Cross multiply
    2,931,677.60x = 4,397,400.33 × 1,225,380.20
  4. Step 4: Simplify right side
    2,931,677.60x = 5,388,487,273,868.47
  5. Step 5: Solve for x
    x = 5,388,487,273,868.47/2,931,677.60
  6. Step 6: Final answer
    x = 1,838,021.78

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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.