Home / 2,198,473.20-3,297,709.80-778,672.80

Finding the Fourth Proportional to 2,198,473.20, 3,297,709.80 and 778,672.80

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Solution

The fourth proportional to 2,198,473.20, 3,297,709.80 and 778,672.80 is: 1,168,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,473.20 : 3,297,709.80 = 778,672.80 : x
  2. Step 2: Convert to fraction form
    2,198,473.20/3,297,709.80 = 778,672.80/x
  3. Step 3: Cross multiply
    2,198,473.20x = 3,297,709.80 × 778,672.80
  4. Step 4: Simplify right side
    2,198,473.20x = 2,567,836,923,553.44
  5. Step 5: Solve for x
    x = 2,567,836,923,553.44/2,198,473.20
  6. Step 6: Final answer
    x = 1,168,009.20

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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.