Home / 2,647,305.75-3,972,638.16-1,131,000.10

Finding the Fourth Proportional to 2,647,305.75, 3,972,638.16 and 1,131,000.10

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Solution

The fourth proportional to 2,647,305.75, 3,972,638.16 and 1,131,000.10 is: 1,697,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,305.75 : 3,972,638.16 = 1,131,000.10 : x
  2. Step 2: Convert to fraction form
    2,647,305.75/3,972,638.16 = 1,131,000.10/x
  3. Step 3: Cross multiply
    2,647,305.75x = 3,972,638.16 × 1,131,000.10
  4. Step 4: Simplify right side
    2,647,305.75x = 4,493,054,156,223.82
  5. Step 5: Solve for x
    x = 4,493,054,156,223.82/2,647,305.75
  6. Step 6: Final answer
    x = 1,697,217.69

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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.