Home / 1,938,375.38-2,674,958.10-1,078,917.23

Finding the Fourth Proportional to 1,938,375.38, 2,674,958.10 and 1,078,917.23

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Solution

The fourth proportional to 1,938,375.38, 2,674,958.10 and 1,078,917.23 is: 1,488,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,375.38 : 2,674,958.10 = 1,078,917.23 : x
  2. Step 2: Convert to fraction form
    1,938,375.38/2,674,958.10 = 1,078,917.23/x
  3. Step 3: Cross multiply
    1,938,375.38x = 2,674,958.10 × 1,078,917.23
  4. Step 4: Simplify right side
    1,938,375.38x = 2,886,058,383,618.06
  5. Step 5: Solve for x
    x = 2,886,058,383,618.06/1,938,375.38
  6. Step 6: Final answer
    x = 1,488,905.82

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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.