Home / 1,858,438.38-2,561,930.31-1,313,612.94

Finding the Fourth Proportional to 1,858,438.38, 2,561,930.31 and 1,313,612.94

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Solution

The fourth proportional to 1,858,438.38, 2,561,930.31 and 1,313,612.94 is: 1,810,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,438.38 : 2,561,930.31 = 1,313,612.94 : x
  2. Step 2: Convert to fraction form
    1,858,438.38/2,561,930.31 = 1,313,612.94/x
  3. Step 3: Cross multiply
    1,858,438.38x = 2,561,930.31 × 1,313,612.94
  4. Step 4: Simplify right side
    1,858,438.38x = 3,365,384,806,594.21
  5. Step 5: Solve for x
    x = 3,365,384,806,594.21/1,858,438.38
  6. Step 6: Final answer
    x = 1,810,867.04

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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.