Home / 1,991,211.26-2,747,866.48-1,085,793.26

Finding the Fourth Proportional to 1,991,211.26, 2,747,866.48 and 1,085,793.26

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Solution

The fourth proportional to 1,991,211.26, 2,747,866.48 and 1,085,793.26 is: 1,498,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,211.26 : 2,747,866.48 = 1,085,793.26 : x
  2. Step 2: Convert to fraction form
    1,991,211.26/2,747,866.48 = 1,085,793.26/x
  3. Step 3: Cross multiply
    1,991,211.26x = 2,747,866.48 × 1,085,793.26
  4. Step 4: Simplify right side
    1,991,211.26x = 2,983,614,886,910.11
  5. Step 5: Solve for x
    x = 2,983,614,886,910.11/1,991,211.26
  6. Step 6: Final answer
    x = 1,498,391.94

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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.