Home / 3,469,170.80-4,787,224.40-1,920,327.68

Finding the Fourth Proportional to 3,469,170.80, 4,787,224.40 and 1,920,327.68

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Solution

The fourth proportional to 3,469,170.80, 4,787,224.40 and 1,920,327.68 is: 2,649,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,170.80 : 4,787,224.40 = 1,920,327.68 : x
  2. Step 2: Convert to fraction form
    3,469,170.80/4,787,224.40 = 1,920,327.68/x
  3. Step 3: Cross multiply
    3,469,170.80x = 4,787,224.40 × 1,920,327.68
  4. Step 4: Simplify right side
    3,469,170.80x = 9,193,039,525,691.39
  5. Step 5: Solve for x
    x = 9,193,039,525,691.39/3,469,170.80
  6. Step 6: Final answer
    x = 2,649,924.16

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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.