Home / 3,171,954.68-4,377,180.15-1,721,619.20

Finding the Fourth Proportional to 3,171,954.68, 4,377,180.15 and 1,721,619.20

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Solution

The fourth proportional to 3,171,954.68, 4,377,180.15 and 1,721,619.20 is: 2,375,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,954.68 : 4,377,180.15 = 1,721,619.20 : x
  2. Step 2: Convert to fraction form
    3,171,954.68/4,377,180.15 = 1,721,619.20/x
  3. Step 3: Cross multiply
    3,171,954.68x = 4,377,180.15 × 1,721,619.20
  4. Step 4: Simplify right side
    3,171,954.68x = 7,535,837,366,212.98
  5. Step 5: Solve for x
    x = 7,535,837,366,212.98/3,171,954.68
  6. Step 6: Final answer
    x = 2,375,770.82

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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.