Home / 1,979,246.96-2,729,676.12-1,377,073.52

Finding the Fourth Proportional to 1,979,246.96, 2,729,676.12 and 1,377,073.52

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Solution

The fourth proportional to 1,979,246.96, 2,729,676.12 and 1,377,073.52 is: 1,899,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,246.96 : 2,729,676.12 = 1,377,073.52 : x
  2. Step 2: Convert to fraction form
    1,979,246.96/2,729,676.12 = 1,377,073.52/x
  3. Step 3: Cross multiply
    1,979,246.96x = 2,729,676.12 × 1,377,073.52
  4. Step 4: Simplify right side
    1,979,246.96x = 3,758,964,703,028.34
  5. Step 5: Solve for x
    x = 3,758,964,703,028.34/1,979,246.96
  6. Step 6: Final answer
    x = 1,899,189.33

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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.