Home / 2,665,413.28-3,998,116.74-868,293.76

Finding the Fourth Proportional to 2,665,413.28, 3,998,116.74 and 868,293.76

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Solution

The fourth proportional to 2,665,413.28, 3,998,116.74 and 868,293.76 is: 1,302,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,413.28 : 3,998,116.74 = 868,293.76 : x
  2. Step 2: Convert to fraction form
    2,665,413.28/3,998,116.74 = 868,293.76/x
  3. Step 3: Cross multiply
    2,665,413.28x = 3,998,116.74 × 868,293.76
  4. Step 4: Simplify right side
    2,665,413.28x = 3,471,539,817,093.54
  5. Step 5: Solve for x
    x = 3,471,539,817,093.54/2,665,413.28
  6. Step 6: Final answer
    x = 1,302,439.60

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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.