Home / 2,487,220.43-3,730,413.29-690,286.46

Finding the Fourth Proportional to 2,487,220.43, 3,730,413.29 and 690,286.46

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Solution

The fourth proportional to 2,487,220.43, 3,730,413.29 and 690,286.46 is: 1,035,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,220.43 : 3,730,413.29 = 690,286.46 : x
  2. Step 2: Convert to fraction form
    2,487,220.43/3,730,413.29 = 690,286.46/x
  3. Step 3: Cross multiply
    2,487,220.43x = 3,730,413.29 × 690,286.46
  4. Step 4: Simplify right side
    2,487,220.43x = 2,575,053,762,187.55
  5. Step 5: Solve for x
    x = 2,575,053,762,187.55/2,487,220.43
  6. Step 6: Final answer
    x = 1,035,313.85

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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.