Home / 2,280,342.80-3,418,375.80-861,352.40

Finding the Fourth Proportional to 2,280,342.80, 3,418,375.80 and 861,352.40

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Solution

The fourth proportional to 2,280,342.80, 3,418,375.80 and 861,352.40 is: 1,291,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,342.80 : 3,418,375.80 = 861,352.40 : x
  2. Step 2: Convert to fraction form
    2,280,342.80/3,418,375.80 = 861,352.40/x
  3. Step 3: Cross multiply
    2,280,342.80x = 3,418,375.80 × 861,352.40
  4. Step 4: Simplify right side
    2,280,342.80x = 2,944,426,199,431.92
  5. Step 5: Solve for x
    x = 2,944,426,199,431.92/2,280,342.80
  6. Step 6: Final answer
    x = 1,291,220.86

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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.