Home / 3,120,978.88-4,682,052.24-991,599.04

Finding the Fourth Proportional to 3,120,978.88, 4,682,052.24 and 991,599.04

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Solution

The fourth proportional to 3,120,978.88, 4,682,052.24 and 991,599.04 is: 1,487,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,978.88 : 4,682,052.24 = 991,599.04 : x
  2. Step 2: Convert to fraction form
    3,120,978.88/4,682,052.24 = 991,599.04/x
  3. Step 3: Cross multiply
    3,120,978.88x = 4,682,052.24 × 991,599.04
  4. Step 4: Simplify right side
    3,120,978.88x = 4,642,718,506,413.85
  5. Step 5: Solve for x
    x = 4,642,718,506,413.85/3,120,978.88
  6. Step 6: Final answer
    x = 1,487,584.08

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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.