Home / 2,657,149.28-3,986,356.64-860,033.06

Finding the Fourth Proportional to 2,657,149.28, 3,986,356.64 and 860,033.06

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Solution

The fourth proportional to 2,657,149.28, 3,986,356.64 and 860,033.06 is: 1,290,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,149.28 : 3,986,356.64 = 860,033.06 : x
  2. Step 2: Convert to fraction form
    2,657,149.28/3,986,356.64 = 860,033.06/x
  3. Step 3: Cross multiply
    2,657,149.28x = 3,986,356.64 × 860,033.06
  4. Step 4: Simplify right side
    2,657,149.28x = 3,428,398,499,350.52
  5. Step 5: Solve for x
    x = 3,428,398,499,350.52/2,657,149.28
  6. Step 6: Final answer
    x = 1,290,254.38

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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.