Home / 3,266,114.20-4,899,361.98-991,712.80

Finding the Fourth Proportional to 3,266,114.20, 4,899,361.98 and 991,712.80

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Solution

The fourth proportional to 3,266,114.20, 4,899,361.98 and 991,712.80 is: 1,487,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,114.20 : 4,899,361.98 = 991,712.80 : x
  2. Step 2: Convert to fraction form
    3,266,114.20/4,899,361.98 = 991,712.80/x
  3. Step 3: Cross multiply
    3,266,114.20x = 4,899,361.98 × 991,712.80
  4. Step 4: Simplify right side
    3,266,114.20x = 4,858,759,987,399.35
  5. Step 5: Solve for x
    x = 4,858,759,987,399.35/3,266,114.20
  6. Step 6: Final answer
    x = 1,487,627.10

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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.