Home / 3,234,575.20-4,851,862.80-838,400.80

Finding the Fourth Proportional to 3,234,575.20, 4,851,862.80 and 838,400.80

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Solution

The fourth proportional to 3,234,575.20, 4,851,862.80 and 838,400.80 is: 1,257,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,575.20 : 4,851,862.80 = 838,400.80 : x
  2. Step 2: Convert to fraction form
    3,234,575.20/4,851,862.80 = 838,400.80/x
  3. Step 3: Cross multiply
    3,234,575.20x = 4,851,862.80 × 838,400.80
  4. Step 4: Simplify right side
    3,234,575.20x = 4,067,805,653,010.24
  5. Step 5: Solve for x
    x = 4,067,805,653,010.24/3,234,575.20
  6. Step 6: Final answer
    x = 1,257,601.20

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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.