Home / 3,198,882-4,799,073.28-2,188,479.68

Finding the Fourth Proportional to 3,198,882, 4,799,073.28 and 2,188,479.68

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Solution

The fourth proportional to 3,198,882, 4,799,073.28 and 2,188,479.68 is: 3,283,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,882 : 4,799,073.28 = 2,188,479.68 : x
  2. Step 2: Convert to fraction form
    3,198,882/4,799,073.28 = 2,188,479.68/x
  3. Step 3: Cross multiply
    3,198,882x = 4,799,073.28 × 2,188,479.68
  4. Step 4: Simplify right side
    3,198,882x = 10,502,674,356,110.95
  5. Step 5: Solve for x
    x = 10,502,674,356,110.95/3,198,882
  6. Step 6: Final answer
    x = 3,283,232.82

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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.