Home / 3,217,115.43-4,825,670.04-820,960.02

Finding the Fourth Proportional to 3,217,115.43, 4,825,670.04 and 820,960.02

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Solution

The fourth proportional to 3,217,115.43, 4,825,670.04 and 820,960.02 is: 1,231,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,115.43 : 4,825,670.04 = 820,960.02 : x
  2. Step 2: Convert to fraction form
    3,217,115.43/4,825,670.04 = 820,960.02/x
  3. Step 3: Cross multiply
    3,217,115.43x = 4,825,670.04 × 820,960.02
  4. Step 4: Simplify right side
    3,217,115.43x = 3,961,682,172,551.80
  5. Step 5: Solve for x
    x = 3,961,682,172,551.80/3,217,115.43
  6. Step 6: Final answer
    x = 1,231,439.24

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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.