Home / 3,136,380.85-4,704,622.86-861,891.04

Finding the Fourth Proportional to 3,136,380.85, 4,704,622.86 and 861,891.04

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Solution

The fourth proportional to 3,136,380.85, 4,704,622.86 and 861,891.04 is: 1,292,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,380.85 : 4,704,622.86 = 861,891.04 : x
  2. Step 2: Convert to fraction form
    3,136,380.85/4,704,622.86 = 861,891.04/x
  3. Step 3: Cross multiply
    3,136,380.85x = 4,704,622.86 × 861,891.04
  4. Step 4: Simplify right side
    3,136,380.85x = 4,054,872,266,090.06
  5. Step 5: Solve for x
    x = 4,054,872,266,090.06/3,136,380.85
  6. Step 6: Final answer
    x = 1,292,850.73

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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.