Home / 3,970,505.16-5,479,074.12-2,228,012.04

Finding the Fourth Proportional to 3,970,505.16, 5,479,074.12 and 2,228,012.04

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Solution

The fourth proportional to 3,970,505.16, 5,479,074.12 and 2,228,012.04 is: 3,074,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,505.16 : 5,479,074.12 = 2,228,012.04 : x
  2. Step 2: Convert to fraction form
    3,970,505.16/5,479,074.12 = 2,228,012.04/x
  3. Step 3: Cross multiply
    3,970,505.16x = 5,479,074.12 × 2,228,012.04
  4. Step 4: Simplify right side
    3,970,505.16x = 12,207,443,107,412.40
  5. Step 5: Solve for x
    x = 12,207,443,107,412.40/3,970,505.16
  6. Step 6: Final answer
    x = 3,074,531.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.