Home / 3,881,771.43-5,356,865.78-2,251,145.58

Finding the Fourth Proportional to 3,881,771.43, 5,356,865.78 and 2,251,145.58

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Solution

The fourth proportional to 3,881,771.43, 5,356,865.78 and 2,251,145.58 is: 3,106,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,771.43 : 5,356,865.78 = 2,251,145.58 : x
  2. Step 2: Convert to fraction form
    3,881,771.43/5,356,865.78 = 2,251,145.58/x
  3. Step 3: Cross multiply
    3,881,771.43x = 5,356,865.78 × 2,251,145.58
  4. Step 4: Simplify right side
    3,881,771.43x = 12,059,084,723,300.25
  5. Step 5: Solve for x
    x = 12,059,084,723,300.25/3,881,771.43
  6. Step 6: Final answer
    x = 3,106,593.20

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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.