Home / 2,589,785.80-3,883,512.30-991,817.80

Finding the Fourth Proportional to 2,589,785.80, 3,883,512.30 and 991,817.80

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Solution

The fourth proportional to 2,589,785.80, 3,883,512.30 and 991,817.80 is: 1,487,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,785.80 : 3,883,512.30 = 991,817.80 : x
  2. Step 2: Convert to fraction form
    2,589,785.80/3,883,512.30 = 991,817.80/x
  3. Step 3: Cross multiply
    2,589,785.80x = 3,883,512.30 × 991,817.80
  4. Step 4: Simplify right side
    2,589,785.80x = 3,851,736,625,658.94
  5. Step 5: Solve for x
    x = 3,851,736,625,658.94/2,589,785.80
  6. Step 6: Final answer
    x = 1,487,280.00

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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.