Home / 3,187,154.79-4,780,724.49-998,892

Finding the Fourth Proportional to 3,187,154.79, 4,780,724.49 and 998,892

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Solution

The fourth proportional to 3,187,154.79, 4,780,724.49 and 998,892 is: 1,498,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,154.79 : 4,780,724.49 = 998,892 : x
  2. Step 2: Convert to fraction form
    3,187,154.79/4,780,724.49 = 998,892/x
  3. Step 3: Cross multiply
    3,187,154.79x = 4,780,724.49 × 998,892
  4. Step 4: Simplify right side
    3,187,154.79x = 4,775,427,447,265.08
  5. Step 5: Solve for x
    x = 4,775,427,447,265.08/3,187,154.79
  6. Step 6: Final answer
    x = 1,498,335.59

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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.