Home / 3,028,669.38-4,180,016.34-1,942,167.78

Finding the Fourth Proportional to 3,028,669.38, 4,180,016.34 and 1,942,167.78

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Solution

The fourth proportional to 3,028,669.38, 4,180,016.34 and 1,942,167.78 is: 2,680,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028,669.38 : 4,180,016.34 = 1,942,167.78 : x
  2. Step 2: Convert to fraction form
    3,028,669.38/4,180,016.34 = 1,942,167.78/x
  3. Step 3: Cross multiply
    3,028,669.38x = 4,180,016.34 × 1,942,167.78
  4. Step 4: Simplify right side
    3,028,669.38x = 8,118,293,055,421.53
  5. Step 5: Solve for x
    x = 8,118,293,055,421.53/3,028,669.38
  6. Step 6: Final answer
    x = 2,680,481.77

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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.