Home / 2,412,916.80-3,619,375.20-992,500.80

Finding the Fourth Proportional to 2,412,916.80, 3,619,375.20 and 992,500.80

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Solution

The fourth proportional to 2,412,916.80, 3,619,375.20 and 992,500.80 is: 1,488,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,916.80 : 3,619,375.20 = 992,500.80 : x
  2. Step 2: Convert to fraction form
    2,412,916.80/3,619,375.20 = 992,500.80/x
  3. Step 3: Cross multiply
    2,412,916.80x = 3,619,375.20 × 992,500.80
  4. Step 4: Simplify right side
    2,412,916.80x = 3,592,232,781,500.16
  5. Step 5: Solve for x
    x = 3,592,232,781,500.16/2,412,916.80
  6. Step 6: Final answer
    x = 1,488,751.20

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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.