Home / 3,680,682.90-5,079,227-2,131,974.84

Finding the Fourth Proportional to 3,680,682.90, 5,079,227 and 2,131,974.84

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Solution

The fourth proportional to 3,680,682.90, 5,079,227 and 2,131,974.84 is: 2,942,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,682.90 : 5,079,227 = 2,131,974.84 : x
  2. Step 2: Convert to fraction form
    3,680,682.90/5,079,227 = 2,131,974.84/x
  3. Step 3: Cross multiply
    3,680,682.90x = 5,079,227 × 2,131,974.84
  4. Step 4: Simplify right side
    3,680,682.90x = 10,828,784,170,648.68
  5. Step 5: Solve for x
    x = 10,828,784,170,648.68/3,680,682.90
  6. Step 6: Final answer
    x = 2,942,058.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.