Home / 3,171,852.87-4,377,039.84-1,721,517.16

Finding the Fourth Proportional to 3,171,852.87, 4,377,039.84 and 1,721,517.16

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Solution

The fourth proportional to 3,171,852.87, 4,377,039.84 and 1,721,517.16 is: 2,375,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,852.87 : 4,377,039.84 = 1,721,517.16 : x
  2. Step 2: Convert to fraction form
    3,171,852.87/4,377,039.84 = 1,721,517.16/x
  3. Step 3: Cross multiply
    3,171,852.87x = 4,377,039.84 × 1,721,517.16
  4. Step 4: Simplify right side
    3,171,852.87x = 7,535,149,194,563.65
  5. Step 5: Solve for x
    x = 7,535,149,194,563.65/3,171,852.87
  6. Step 6: Final answer
    x = 2,375,630.11

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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.