Home / 5,387,164.38-7,434,445.14-2,939,933.52

Finding the Fourth Proportional to 5,387,164.38, 7,434,445.14 and 2,939,933.52

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Solution

The fourth proportional to 5,387,164.38, 7,434,445.14 and 2,939,933.52 is: 4,057,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,164.38 : 7,434,445.14 = 2,939,933.52 : x
  2. Step 2: Convert to fraction form
    5,387,164.38/7,434,445.14 = 2,939,933.52/x
  3. Step 3: Cross multiply
    5,387,164.38x = 7,434,445.14 × 2,939,933.52
  4. Step 4: Simplify right side
    5,387,164.38x = 21,856,774,469,687.09
  5. Step 5: Solve for x
    x = 21,856,774,469,687.09/5,387,164.38
  6. Step 6: Final answer
    x = 4,057,194.64

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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.