Home / 6,439,841.28-9,659,661.48-1,647,489.24

Finding the Fourth Proportional to 6,439,841.28, 9,659,661.48 and 1,647,489.24

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Solution

The fourth proportional to 6,439,841.28, 9,659,661.48 and 1,647,489.24 is: 2,471,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,841.28 : 9,659,661.48 = 1,647,489.24 : x
  2. Step 2: Convert to fraction form
    6,439,841.28/9,659,661.48 = 1,647,489.24/x
  3. Step 3: Cross multiply
    6,439,841.28x = 9,659,661.48 × 1,647,489.24
  4. Step 4: Simplify right side
    6,439,841.28x = 15,914,188,350,342.48
  5. Step 5: Solve for x
    x = 15,914,188,350,342.48/6,439,841.28
  6. Step 6: Final answer
    x = 2,471,208.16

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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.