Home / 2,188,915.88-3,283,242.60-672,613.16

Finding the Fourth Proportional to 2,188,915.88, 3,283,242.60 and 672,613.16

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Solution

The fourth proportional to 2,188,915.88, 3,283,242.60 and 672,613.16 is: 1,008,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,915.88 : 3,283,242.60 = 672,613.16 : x
  2. Step 2: Convert to fraction form
    2,188,915.88/3,283,242.60 = 672,613.16/x
  3. Step 3: Cross multiply
    2,188,915.88x = 3,283,242.60 × 672,613.16
  4. Step 4: Simplify right side
    2,188,915.88x = 2,208,352,180,232.62
  5. Step 5: Solve for x
    x = 2,208,352,180,232.62/2,188,915.88
  6. Step 6: Final answer
    x = 1,008,879.42

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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.