Home / 1,948,850.49-2,689,431.05-1,077,743.79

Finding the Fourth Proportional to 1,948,850.49, 2,689,431.05 and 1,077,743.79

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Solution

The fourth proportional to 1,948,850.49, 2,689,431.05 and 1,077,743.79 is: 1,487,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,850.49 : 2,689,431.05 = 1,077,743.79 : x
  2. Step 2: Convert to fraction form
    1,948,850.49/2,689,431.05 = 1,077,743.79/x
  3. Step 3: Cross multiply
    1,948,850.49x = 2,689,431.05 × 1,077,743.79
  4. Step 4: Simplify right side
    1,948,850.49x = 2,898,517,612,770.68
  5. Step 5: Solve for x
    x = 2,898,517,612,770.68/1,948,850.49
  6. Step 6: Final answer
    x = 1,487,296.04

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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.