Home / 3,909,168.55-5,394,648.99-2,190,301.38

Finding the Fourth Proportional to 3,909,168.55, 5,394,648.99 and 2,190,301.38

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Solution

The fourth proportional to 3,909,168.55, 5,394,648.99 and 2,190,301.38 is: 3,022,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,168.55 : 5,394,648.99 = 2,190,301.38 : x
  2. Step 2: Convert to fraction form
    3,909,168.55/5,394,648.99 = 2,190,301.38/x
  3. Step 3: Cross multiply
    3,909,168.55x = 5,394,648.99 × 2,190,301.38
  4. Step 4: Simplify right side
    3,909,168.55x = 11,815,907,127,412.61
  5. Step 5: Solve for x
    x = 11,815,907,127,412.61/3,909,168.55
  6. Step 6: Final answer
    x = 3,022,613.88

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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.