Home / 3,328,053.20-4,992,079.80-3,278,286.80

Finding the Fourth Proportional to 3,328,053.20, 4,992,079.80 and 3,278,286.80

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Solution

The fourth proportional to 3,328,053.20, 4,992,079.80 and 3,278,286.80 is: 4,917,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,053.20 : 4,992,079.80 = 3,278,286.80 : x
  2. Step 2: Convert to fraction form
    3,328,053.20/4,992,079.80 = 3,278,286.80/x
  3. Step 3: Cross multiply
    3,328,053.20x = 4,992,079.80 × 3,278,286.80
  4. Step 4: Simplify right side
    3,328,053.20x = 16,365,469,312,886.64
  5. Step 5: Solve for x
    x = 16,365,469,312,886.64/3,328,053.20
  6. Step 6: Final answer
    x = 4,917,430.20

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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.