Home / 3,981,381.74-5,494,240.85-2,215,213.84

Finding the Fourth Proportional to 3,981,381.74, 5,494,240.85 and 2,215,213.84

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Solution

The fourth proportional to 3,981,381.74, 5,494,240.85 and 2,215,213.84 is: 3,056,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,381.74 : 5,494,240.85 = 2,215,213.84 : x
  2. Step 2: Convert to fraction form
    3,981,381.74/5,494,240.85 = 2,215,213.84/x
  3. Step 3: Cross multiply
    3,981,381.74x = 5,494,240.85 × 2,215,213.84
  4. Step 4: Simplify right side
    3,981,381.74x = 12,170,918,346,401.69
  5. Step 5: Solve for x
    x = 12,170,918,346,401.69/3,981,381.74
  6. Step 6: Final answer
    x = 3,056,958.40

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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.