Home / 3,612,979.04-5,419,478.08-1,218,505.76

Finding the Fourth Proportional to 3,612,979.04, 5,419,478.08 and 1,218,505.76

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Solution

The fourth proportional to 3,612,979.04, 5,419,478.08 and 1,218,505.76 is: 1,827,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,979.04 : 5,419,478.08 = 1,218,505.76 : x
  2. Step 2: Convert to fraction form
    3,612,979.04/5,419,478.08 = 1,218,505.76/x
  3. Step 3: Cross multiply
    3,612,979.04x = 5,419,478.08 × 1,218,505.76
  4. Step 4: Simplify right side
    3,612,979.04x = 6,603,665,256,673.74
  5. Step 5: Solve for x
    x = 6,603,665,256,673.74/3,612,979.04
  6. Step 6: Final answer
    x = 1,827,761.85

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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.