Home / 2,280,340.80-3,418,372.80-861,350.40

Finding the Fourth Proportional to 2,280,340.80, 3,418,372.80 and 861,350.40

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Solution

The fourth proportional to 2,280,340.80, 3,418,372.80 and 861,350.40 is: 1,291,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,340.80 : 3,418,372.80 = 861,350.40 : x
  2. Step 2: Convert to fraction form
    2,280,340.80/3,418,372.80 = 861,350.40/x
  3. Step 3: Cross multiply
    2,280,340.80x = 3,418,372.80 × 861,350.40
  4. Step 4: Simplify right side
    2,280,340.80x = 2,944,416,778,629.12
  5. Step 5: Solve for x
    x = 2,944,416,778,629.12/2,280,340.80
  6. Step 6: Final answer
    x = 1,291,217.86

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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.