Home / 3,987,627.12-5,982,383.52-1,291,947.96

Finding the Fourth Proportional to 3,987,627.12, 5,982,383.52 and 1,291,947.96

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Solution

The fourth proportional to 3,987,627.12, 5,982,383.52 and 1,291,947.96 is: 1,938,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,627.12 : 5,982,383.52 = 1,291,947.96 : x
  2. Step 2: Convert to fraction form
    3,987,627.12/5,982,383.52 = 1,291,947.96/x
  3. Step 3: Cross multiply
    3,987,627.12x = 5,982,383.52 × 1,291,947.96
  4. Step 4: Simplify right side
    3,987,627.12x = 7,728,928,184,601.62
  5. Step 5: Solve for x
    x = 7,728,928,184,601.62/3,987,627.12
  6. Step 6: Final answer
    x = 1,938,227.41

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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.