Home / 6,439,719.03-9,659,909.43-1,647,449.88

Finding the Fourth Proportional to 6,439,719.03, 9,659,909.43 and 1,647,449.88

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Solution

The fourth proportional to 6,439,719.03, 9,659,909.43 and 1,647,449.88 is: 2,471,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,719.03 : 9,659,909.43 = 1,647,449.88 : x
  2. Step 2: Convert to fraction form
    6,439,719.03/9,659,909.43 = 1,647,449.88/x
  3. Step 3: Cross multiply
    6,439,719.03x = 9,659,909.43 × 1,647,449.88
  4. Step 4: Simplify right side
    6,439,719.03x = 15,914,216,631,264.37
  5. Step 5: Solve for x
    x = 15,914,216,631,264.37/6,439,719.03
  6. Step 6: Final answer
    x = 2,471,259.47

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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.