Home / 2,160,069.20-3,240,103.80-664,161.20

Finding the Fourth Proportional to 2,160,069.20, 3,240,103.80 and 664,161.20

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Solution

The fourth proportional to 2,160,069.20, 3,240,103.80 and 664,161.20 is: 996,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,069.20 : 3,240,103.80 = 664,161.20 : x
  2. Step 2: Convert to fraction form
    2,160,069.20/3,240,103.80 = 664,161.20/x
  3. Step 3: Cross multiply
    2,160,069.20x = 3,240,103.80 × 664,161.20
  4. Step 4: Simplify right side
    2,160,069.20x = 2,151,951,227,932.56
  5. Step 5: Solve for x
    x = 2,151,951,227,932.56/2,160,069.20
  6. Step 6: Final answer
    x = 996,241.80

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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.