Home / 3,776,744.74-5,666,791.61-1,979,200.84

Finding the Fourth Proportional to 3,776,744.74, 5,666,791.61 and 1,979,200.84

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Solution

The fourth proportional to 3,776,744.74, 5,666,791.61 and 1,979,200.84 is: 2,969,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,744.74 : 5,666,791.61 = 1,979,200.84 : x
  2. Step 2: Convert to fraction form
    3,776,744.74/5,666,791.61 = 1,979,200.84/x
  3. Step 3: Cross multiply
    3,776,744.74x = 5,666,791.61 × 1,979,200.84
  4. Step 4: Simplify right side
    3,776,744.74x = 11,215,718,714,616.95
  5. Step 5: Solve for x
    x = 11,215,718,714,616.95/3,776,744.74
  6. Step 6: Final answer
    x = 2,969,678.78

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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.