Home / 3,612,419.82-5,414,836.68-1,215,432.36

Finding the Fourth Proportional to 3,612,419.82, 5,414,836.68 and 1,215,432.36

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Solution

The fourth proportional to 3,612,419.82, 5,414,836.68 and 1,215,432.36 is: 1,821,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,419.82 : 5,414,836.68 = 1,215,432.36 : x
  2. Step 2: Convert to fraction form
    3,612,419.82/5,414,836.68 = 1,215,432.36/x
  3. Step 3: Cross multiply
    3,612,419.82x = 5,414,836.68 × 1,215,432.36
  4. Step 4: Simplify right side
    3,612,419.82x = 6,581,367,724,986.97
  5. Step 5: Solve for x
    x = 6,581,367,724,986.97/3,612,419.82
  6. Step 6: Final answer
    x = 1,821,872.33

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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.