Home / 1,988,231.79-2,743,759.89-1,082,813.79

Finding the Fourth Proportional to 1,988,231.79, 2,743,759.89 and 1,082,813.79

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Solution

The fourth proportional to 1,988,231.79, 2,743,759.89 and 1,082,813.79 is: 1,494,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,231.79 : 2,743,759.89 = 1,082,813.79 : x
  2. Step 2: Convert to fraction form
    1,988,231.79/2,743,759.89 = 1,082,813.79/x
  3. Step 3: Cross multiply
    1,988,231.79x = 2,743,759.89 × 1,082,813.79
  4. Step 4: Simplify right side
    1,988,231.79x = 2,970,981,045,340.88
  5. Step 5: Solve for x
    x = 2,970,981,045,340.88/1,988,231.79
  6. Step 6: Final answer
    x = 1,494,283.04

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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.