Home / 4,278,154.80-6,412,911.60-2,681,836.80

Finding the Fourth Proportional to 4,278,154.80, 6,412,911.60 and 2,681,836.80

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Solution

The fourth proportional to 4,278,154.80, 6,412,911.60 and 2,681,836.80 is: 4,020,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,154.80 : 6,412,911.60 = 2,681,836.80 : x
  2. Step 2: Convert to fraction form
    4,278,154.80/6,412,911.60 = 2,681,836.80/x
  3. Step 3: Cross multiply
    4,278,154.80x = 6,412,911.60 × 2,681,836.80
  4. Step 4: Simplify right side
    4,278,154.80x = 17,198,382,324,026.88
  5. Step 5: Solve for x
    x = 17,198,382,324,026.88/4,278,154.80
  6. Step 6: Final answer
    x = 4,020,046.76

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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.