Home / 2,979,432.80-4,469,190.88-849,517.76

Finding the Fourth Proportional to 2,979,432.80, 4,469,190.88 and 849,517.76

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Solution

The fourth proportional to 2,979,432.80, 4,469,190.88 and 849,517.76 is: 1,274,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,432.80 : 4,469,190.88 = 849,517.76 : x
  2. Step 2: Convert to fraction form
    2,979,432.80/4,469,190.88 = 849,517.76/x
  3. Step 3: Cross multiply
    2,979,432.80x = 4,469,190.88 × 849,517.76
  4. Step 4: Simplify right side
    2,979,432.80x = 3,796,657,025,390.03
  5. Step 5: Solve for x
    x = 3,796,657,025,390.03/2,979,432.80
  6. Step 6: Final answer
    x = 1,274,288.52

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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.