Home / 2,626,078.80-3,939,118.20-853,150.80

Finding the Fourth Proportional to 2,626,078.80, 3,939,118.20 and 853,150.80

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Solution

The fourth proportional to 2,626,078.80, 3,939,118.20 and 853,150.80 is: 1,279,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,078.80 : 3,939,118.20 = 853,150.80 : x
  2. Step 2: Convert to fraction form
    2,626,078.80/3,939,118.20 = 853,150.80/x
  3. Step 3: Cross multiply
    2,626,078.80x = 3,939,118.20 × 853,150.80
  4. Step 4: Simplify right side
    2,626,078.80x = 3,360,661,843,624.56
  5. Step 5: Solve for x
    x = 3,360,661,843,624.56/2,626,078.80
  6. Step 6: Final answer
    x = 1,279,726.20

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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.