Home / 3,125,148.20-4,687,722.30-881,286.20

Finding the Fourth Proportional to 3,125,148.20, 4,687,722.30 and 881,286.20

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Solution

The fourth proportional to 3,125,148.20, 4,687,722.30 and 881,286.20 is: 1,321,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,148.20 : 4,687,722.30 = 881,286.20 : x
  2. Step 2: Convert to fraction form
    3,125,148.20/4,687,722.30 = 881,286.20/x
  3. Step 3: Cross multiply
    3,125,148.20x = 4,687,722.30 × 881,286.20
  4. Step 4: Simplify right side
    3,125,148.20x = 4,131,224,972,422.26
  5. Step 5: Solve for x
    x = 4,131,224,972,422.26/3,125,148.20
  6. Step 6: Final answer
    x = 1,321,929.30

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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.