Home / 3,888,019.20-5,832,028.80-2,687,404.80

Finding the Fourth Proportional to 3,888,019.20, 5,832,028.80 and 2,687,404.80

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Solution

The fourth proportional to 3,888,019.20, 5,832,028.80 and 2,687,404.80 is: 4,031,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,019.20 : 5,832,028.80 = 2,687,404.80 : x
  2. Step 2: Convert to fraction form
    3,888,019.20/5,832,028.80 = 2,687,404.80/x
  3. Step 3: Cross multiply
    3,888,019.20x = 5,832,028.80 × 2,687,404.80
  4. Step 4: Simplify right side
    3,888,019.20x = 15,673,022,190,858.24
  5. Step 5: Solve for x
    x = 15,673,022,190,858.24/3,888,019.20
  6. Step 6: Final answer
    x = 4,031,107.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.