Home / 3,612,413.92-5,414,827.78-1,215,426.38

Finding the Fourth Proportional to 3,612,413.92, 5,414,827.78 and 1,215,426.38

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Solution

The fourth proportional to 3,612,413.92, 5,414,827.78 and 1,215,426.38 is: 1,821,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,413.92 : 5,414,827.78 = 1,215,426.38 : x
  2. Step 2: Convert to fraction form
    3,612,413.92/5,414,827.78 = 1,215,426.38/x
  3. Step 3: Cross multiply
    3,612,413.92x = 5,414,827.78 × 1,215,426.38
  4. Step 4: Simplify right side
    3,612,413.92x = 6,581,324,513,431.77
  5. Step 5: Solve for x
    x = 6,581,324,513,431.77/3,612,413.92
  6. Step 6: Final answer
    x = 1,821,863.35

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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.