Home / 2,198,863.80-3,298,295.70-2,125,380.60

Finding the Fourth Proportional to 2,198,863.80, 3,298,295.70 and 2,125,380.60

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Solution

The fourth proportional to 2,198,863.80, 3,298,295.70 and 2,125,380.60 is: 3,188,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,863.80 : 3,298,295.70 = 2,125,380.60 : x
  2. Step 2: Convert to fraction form
    2,198,863.80/3,298,295.70 = 2,125,380.60/x
  3. Step 3: Cross multiply
    2,198,863.80x = 3,298,295.70 × 2,125,380.60
  4. Step 4: Simplify right side
    2,198,863.80x = 7,010,133,693,843.42
  5. Step 5: Solve for x
    x = 7,010,133,693,843.42/2,198,863.80
  6. Step 6: Final answer
    x = 3,188,070.90

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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.