Home / 2,079,078.70-3,118,618.05-1,277,761.90

Finding the Fourth Proportional to 2,079,078.70, 3,118,618.05 and 1,277,761.90

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Solution

The fourth proportional to 2,079,078.70, 3,118,618.05 and 1,277,761.90 is: 1,916,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,078.70 : 3,118,618.05 = 1,277,761.90 : x
  2. Step 2: Convert to fraction form
    2,079,078.70/3,118,618.05 = 1,277,761.90/x
  3. Step 3: Cross multiply
    2,079,078.70x = 3,118,618.05 × 1,277,761.90
  4. Step 4: Simplify right side
    2,079,078.70x = 3,984,851,324,942.29
  5. Step 5: Solve for x
    x = 3,984,851,324,942.29/2,079,078.70
  6. Step 6: Final answer
    x = 1,916,642.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.