Home / 2,887,147.40-3,984,138.09-1,597,910.90

Finding the Fourth Proportional to 2,887,147.40, 3,984,138.09 and 1,597,910.90

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Solution

The fourth proportional to 2,887,147.40, 3,984,138.09 and 1,597,910.90 is: 2,205,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,147.40 : 3,984,138.09 = 1,597,910.90 : x
  2. Step 2: Convert to fraction form
    2,887,147.40/3,984,138.09 = 1,597,910.90/x
  3. Step 3: Cross multiply
    2,887,147.40x = 3,984,138.09 × 1,597,910.90
  4. Step 4: Simplify right side
    2,887,147.40x = 6,366,297,661,195.49
  5. Step 5: Solve for x
    x = 6,366,297,661,195.49/2,887,147.40
  6. Step 6: Final answer
    x = 2,205,047.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.