Home / 2,626,079.80-3,939,119.70-853,151.80

Finding the Fourth Proportional to 2,626,079.80, 3,939,119.70 and 853,151.80

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Solution

The fourth proportional to 2,626,079.80, 3,939,119.70 and 853,151.80 is: 1,279,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,079.80 : 3,939,119.70 = 853,151.80 : x
  2. Step 2: Convert to fraction form
    2,626,079.80/3,939,119.70 = 853,151.80/x
  3. Step 3: Cross multiply
    2,626,079.80x = 3,939,119.70 × 853,151.80
  4. Step 4: Simplify right side
    2,626,079.80x = 3,360,667,062,470.46
  5. Step 5: Solve for x
    x = 3,360,667,062,470.46/2,626,079.80
  6. Step 6: Final answer
    x = 1,279,727.70

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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.