Home / 3,207,320-4,811,264.16-843,416

Finding the Fourth Proportional to 3,207,320, 4,811,264.16 and 843,416

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Solution

The fourth proportional to 3,207,320, 4,811,264.16 and 843,416 is: 1,265,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,320 : 4,811,264.16 = 843,416 : x
  2. Step 2: Convert to fraction form
    3,207,320/4,811,264.16 = 843,416/x
  3. Step 3: Cross multiply
    3,207,320x = 4,811,264.16 × 843,416
  4. Step 4: Simplify right side
    3,207,320x = 4,057,897,172,770.56
  5. Step 5: Solve for x
    x = 4,057,897,172,770.56/3,207,320
  6. Step 6: Final answer
    x = 1,265,198.72

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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.