Home / 2,218,510.80-3,327,766.20-2,131,419.60

Finding the Fourth Proportional to 2,218,510.80, 3,327,766.20 and 2,131,419.60

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Solution

The fourth proportional to 2,218,510.80, 3,327,766.20 and 2,131,419.60 is: 3,197,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,510.80 : 3,327,766.20 = 2,131,419.60 : x
  2. Step 2: Convert to fraction form
    2,218,510.80/3,327,766.20 = 2,131,419.60/x
  3. Step 3: Cross multiply
    2,218,510.80x = 3,327,766.20 × 2,131,419.60
  4. Step 4: Simplify right side
    2,218,510.80x = 7,092,866,102,897.52
  5. Step 5: Solve for x
    x = 7,092,866,102,897.52/2,218,510.80
  6. Step 6: Final answer
    x = 3,197,129.40

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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.