Home / 6,439,720.03-9,659,910.93-1,647,450.88

Finding the Fourth Proportional to 6,439,720.03, 9,659,910.93 and 1,647,450.88

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Solution

The fourth proportional to 6,439,720.03, 9,659,910.93 and 1,647,450.88 is: 2,471,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,720.03 : 9,659,910.93 = 1,647,450.88 : x
  2. Step 2: Convert to fraction form
    6,439,720.03/9,659,910.93 = 1,647,450.88/x
  3. Step 3: Cross multiply
    6,439,720.03x = 9,659,910.93 × 1,647,450.88
  4. Step 4: Simplify right side
    6,439,720.03x = 15,914,228,762,350.12
  5. Step 5: Solve for x
    x = 15,914,228,762,350.12/6,439,720.03
  6. Step 6: Final answer
    x = 2,471,260.97

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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.