Home / 3,787,910.40-5,227,441.92-2,069,191.20

Finding the Fourth Proportional to 3,787,910.40, 5,227,441.92 and 2,069,191.20

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Solution

The fourth proportional to 3,787,910.40, 5,227,441.92 and 2,069,191.20 is: 2,855,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,910.40 : 5,227,441.92 = 2,069,191.20 : x
  2. Step 2: Convert to fraction form
    3,787,910.40/5,227,441.92 = 2,069,191.20/x
  3. Step 3: Cross multiply
    3,787,910.40x = 5,227,441.92 × 2,069,191.20
  4. Step 4: Simplify right side
    3,787,910.40x = 10,816,576,819,375.10
  5. Step 5: Solve for x
    x = 10,816,576,819,375.10/3,787,910.40
  6. Step 6: Final answer
    x = 2,855,552.45

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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.