Home / 3,612,415.67-5,414,830.40-1,215,428.13

Finding the Fourth Proportional to 3,612,415.67, 5,414,830.40 and 1,215,428.13

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Solution

The fourth proportional to 3,612,415.67, 5,414,830.40 and 1,215,428.13 is: 1,821,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,415.67 : 5,414,830.40 = 1,215,428.13 : x
  2. Step 2: Convert to fraction form
    3,612,415.67/5,414,830.40 = 1,215,428.13/x
  3. Step 3: Cross multiply
    3,612,415.67x = 5,414,830.40 × 1,215,428.13
  4. Step 4: Simplify right side
    3,612,415.67x = 6,581,337,187,339.15
  5. Step 5: Solve for x
    x = 6,581,337,187,339.15/3,612,415.67
  6. Step 6: Final answer
    x = 1,821,865.97

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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.