Home / 5,191,781.31-7,164,615.56-2,868,666.75

Finding the Fourth Proportional to 5,191,781.31, 7,164,615.56 and 2,868,666.75

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Solution

The fourth proportional to 5,191,781.31, 7,164,615.56 and 2,868,666.75 is: 3,958,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,781.31 : 7,164,615.56 = 2,868,666.75 : x
  2. Step 2: Convert to fraction form
    5,191,781.31/7,164,615.56 = 2,868,666.75/x
  3. Step 3: Cross multiply
    5,191,781.31x = 7,164,615.56 × 2,868,666.75
  4. Step 4: Simplify right side
    5,191,781.31x = 20,552,894,419,161.30
  5. Step 5: Solve for x
    x = 20,552,894,419,161.30/5,191,781.31
  6. Step 6: Final answer
    x = 3,958,736.55

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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.