Home / 3,612,414.42-5,414,828.53-1,215,426.88

Finding the Fourth Proportional to 3,612,414.42, 5,414,828.53 and 1,215,426.88

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Solution

The fourth proportional to 3,612,414.42, 5,414,828.53 and 1,215,426.88 is: 1,821,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,414.42 : 5,414,828.53 = 1,215,426.88 : x
  2. Step 2: Convert to fraction form
    3,612,414.42/5,414,828.53 = 1,215,426.88/x
  3. Step 3: Cross multiply
    3,612,414.42x = 5,414,828.53 × 1,215,426.88
  4. Step 4: Simplify right side
    3,612,414.42x = 6,581,328,129,377.25
  5. Step 5: Solve for x
    x = 6,581,328,129,377.25/3,612,414.42
  6. Step 6: Final answer
    x = 1,821,864.10

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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.