Home / 5,321,836.12-7,982,640.78-1,727,597.24

Finding the Fourth Proportional to 5,321,836.12, 7,982,640.78 and 1,727,597.24

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Solution

The fourth proportional to 5,321,836.12, 7,982,640.78 and 1,727,597.24 is: 2,591,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,836.12 : 7,982,640.78 = 1,727,597.24 : x
  2. Step 2: Convert to fraction form
    5,321,836.12/7,982,640.78 = 1,727,597.24/x
  3. Step 3: Cross multiply
    5,321,836.12x = 7,982,640.78 × 1,727,597.24
  4. Step 4: Simplify right side
    5,321,836.12x = 13,790,788,179,439.45
  5. Step 5: Solve for x
    x = 13,790,788,179,439.45/5,321,836.12
  6. Step 6: Final answer
    x = 2,591,359.05

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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.