Home / 3,743,821.72-5,166,474.98-2,112,574.80

Finding the Fourth Proportional to 3,743,821.72, 5,166,474.98 and 2,112,574.80

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Solution

The fourth proportional to 3,743,821.72, 5,166,474.98 and 2,112,574.80 is: 2,915,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,821.72 : 5,166,474.98 = 2,112,574.80 : x
  2. Step 2: Convert to fraction form
    3,743,821.72/5,166,474.98 = 2,112,574.80/x
  3. Step 3: Cross multiply
    3,743,821.72x = 5,166,474.98 × 2,112,574.80
  4. Step 4: Simplify right side
    3,743,821.72x = 10,914,564,847,578.50
  5. Step 5: Solve for x
    x = 10,914,564,847,578.50/3,743,821.72
  6. Step 6: Final answer
    x = 2,915,353.79

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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.