Home / 2,103,286.56-3,155,354.26-664,194.80

Finding the Fourth Proportional to 2,103,286.56, 3,155,354.26 and 664,194.80

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Solution

The fourth proportional to 2,103,286.56, 3,155,354.26 and 664,194.80 is: 996,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,286.56 : 3,155,354.26 = 664,194.80 : x
  2. Step 2: Convert to fraction form
    2,103,286.56/3,155,354.26 = 664,194.80/x
  3. Step 3: Cross multiply
    2,103,286.56x = 3,155,354.26 × 664,194.80
  4. Step 4: Simplify right side
    2,103,286.56x = 2,095,769,891,649.85
  5. Step 5: Solve for x
    x = 2,095,769,891,649.85/2,103,286.56
  6. Step 6: Final answer
    x = 996,426.23

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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.