Home / 3,612,468.24-5,414,909.28-1,215,480.76

Finding the Fourth Proportional to 3,612,468.24, 5,414,909.28 and 1,215,480.76

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Solution

The fourth proportional to 3,612,468.24, 5,414,909.28 and 1,215,480.76 is: 1,821,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,468.24 : 5,414,909.28 = 1,215,480.76 : x
  2. Step 2: Convert to fraction form
    3,612,468.24/5,414,909.28 = 1,215,480.76/x
  3. Step 3: Cross multiply
    3,612,468.24x = 5,414,909.28 × 1,215,480.76
  4. Step 4: Simplify right side
    3,612,468.24x = 6,581,718,046,985.45
  5. Step 5: Solve for x
    x = 6,581,718,046,985.45/3,612,468.24
  6. Step 6: Final answer
    x = 1,821,944.89

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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.