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Finding the Fourth Proportional to 2,578,640.73, 3,867,961.10 and 895,745.85

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Solution

The fourth proportional to 2,578,640.73, 3,867,961.10 and 895,745.85 is: 1,343,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,640.73 : 3,867,961.10 = 895,745.85 : x
  2. Step 2: Convert to fraction form
    2,578,640.73/3,867,961.10 = 895,745.85/x
  3. Step 3: Cross multiply
    2,578,640.73x = 3,867,961.10 × 895,745.85
  4. Step 4: Simplify right side
    2,578,640.73x = 3,464,710,098,807.71
  5. Step 5: Solve for x
    x = 3,464,710,098,807.71/2,578,640.73
  6. Step 6: Final answer
    x = 1,343,618.78

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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.