Home / 2,125,775.20-3,187,568.40-629,672.80

Finding the Fourth Proportional to 2,125,775.20, 3,187,568.40 and 629,672.80

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Solution

The fourth proportional to 2,125,775.20, 3,187,568.40 and 629,672.80 is: 944,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,775.20 : 3,187,568.40 = 629,672.80 : x
  2. Step 2: Convert to fraction form
    2,125,775.20/3,187,568.40 = 629,672.80/x
  3. Step 3: Cross multiply
    2,125,775.20x = 3,187,568.40 × 629,672.80
  4. Step 4: Simplify right side
    2,125,775.20x = 2,007,125,119,619.52
  5. Step 5: Solve for x
    x = 2,007,125,119,619.52/2,125,775.20
  6. Step 6: Final answer
    x = 944,185.03

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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.