Home / 3,171,872.26-4,377,188.52-1,721,568.22

Finding the Fourth Proportional to 3,171,872.26, 4,377,188.52 and 1,721,568.22

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Solution

The fourth proportional to 3,171,872.26, 4,377,188.52 and 1,721,568.22 is: 2,375,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,872.26 : 4,377,188.52 = 1,721,568.22 : x
  2. Step 2: Convert to fraction form
    3,171,872.26/4,377,188.52 = 1,721,568.22/x
  3. Step 3: Cross multiply
    3,171,872.26x = 4,377,188.52 × 1,721,568.22
  4. Step 4: Simplify right side
    3,171,872.26x = 7,535,628,648,980.83
  5. Step 5: Solve for x
    x = 7,535,628,648,980.83/3,171,872.26
  6. Step 6: Final answer
    x = 2,375,766.75

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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.