Home / 2,696,856.88-4,044,737.76-990,413.68

Finding the Fourth Proportional to 2,696,856.88, 4,044,737.76 and 990,413.68

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Solution

The fourth proportional to 2,696,856.88, 4,044,737.76 and 990,413.68 is: 1,485,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,856.88 : 4,044,737.76 = 990,413.68 : x
  2. Step 2: Convert to fraction form
    2,696,856.88/4,044,737.76 = 990,413.68/x
  3. Step 3: Cross multiply
    2,696,856.88x = 4,044,737.76 × 990,413.68
  4. Step 4: Simplify right side
    2,696,856.88x = 4,005,963,609,516.56
  5. Step 5: Solve for x
    x = 4,005,963,609,516.56/2,696,856.88
  6. Step 6: Final answer
    x = 1,485,419.43

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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.