Home / 1,982,627.88-2,736,161.78-1,123,195.20

Finding the Fourth Proportional to 1,982,627.88, 2,736,161.78 and 1,123,195.20

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Solution

The fourth proportional to 1,982,627.88, 2,736,161.78 and 1,123,195.20 is: 1,550,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,627.88 : 2,736,161.78 = 1,123,195.20 : x
  2. Step 2: Convert to fraction form
    1,982,627.88/2,736,161.78 = 1,123,195.20/x
  3. Step 3: Cross multiply
    1,982,627.88x = 2,736,161.78 × 1,123,195.20
  4. Step 4: Simplify right side
    1,982,627.88x = 3,073,243,777,719.46
  5. Step 5: Solve for x
    x = 3,073,243,777,719.46/1,982,627.88
  6. Step 6: Final answer
    x = 1,550,086.03

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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.