Home / 3,217,138.68-4,825,704.90-820,983.33

Finding the Fourth Proportional to 3,217,138.68, 4,825,704.90 and 820,983.33

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Solution

The fourth proportional to 3,217,138.68, 4,825,704.90 and 820,983.33 is: 1,231,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,138.68 : 4,825,704.90 = 820,983.33 : x
  2. Step 2: Convert to fraction form
    3,217,138.68/4,825,704.90 = 820,983.33/x
  3. Step 3: Cross multiply
    3,217,138.68x = 4,825,704.90 × 820,983.33
  4. Step 4: Simplify right side
    3,217,138.68x = 3,961,823,278,399.32
  5. Step 5: Solve for x
    x = 3,961,823,278,399.32/3,217,138.68
  6. Step 6: Final answer
    x = 1,231,474.20

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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.