Home / 1,915,540.80-2,873,311.20-1,542,292.80

Finding the Fourth Proportional to 1,915,540.80, 2,873,311.20 and 1,542,292.80

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Solution

The fourth proportional to 1,915,540.80, 2,873,311.20 and 1,542,292.80 is: 2,313,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,540.80 : 2,873,311.20 = 1,542,292.80 : x
  2. Step 2: Convert to fraction form
    1,915,540.80/2,873,311.20 = 1,542,292.80/x
  3. Step 3: Cross multiply
    1,915,540.80x = 2,873,311.20 × 1,542,292.80
  4. Step 4: Simplify right side
    1,915,540.80x = 4,431,487,175,919.36
  5. Step 5: Solve for x
    x = 4,431,487,175,919.36/1,915,540.80
  6. Step 6: Final answer
    x = 2,313,439.20

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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.