Home / 5,117,616.12-7,679,080.92-2,087,205.24

Finding the Fourth Proportional to 5,117,616.12, 7,679,080.92 and 2,087,205.24

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Solution

The fourth proportional to 5,117,616.12, 7,679,080.92 and 2,087,205.24 is: 3,131,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,616.12 : 7,679,080.92 = 2,087,205.24 : x
  2. Step 2: Convert to fraction form
    5,117,616.12/7,679,080.92 = 2,087,205.24/x
  3. Step 3: Cross multiply
    5,117,616.12x = 7,679,080.92 × 2,087,205.24
  4. Step 4: Simplify right side
    5,117,616.12x = 16,027,817,934,608.02
  5. Step 5: Solve for x
    x = 16,027,817,934,608.02/5,117,616.12
  6. Step 6: Final answer
    x = 3,131,891.40

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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.