Home / 2,428,179.88-3,642,665.10-911,980.84

Finding the Fourth Proportional to 2,428,179.88, 3,642,665.10 and 911,980.84

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Solution

The fourth proportional to 2,428,179.88, 3,642,665.10 and 911,980.84 is: 1,368,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,179.88 : 3,642,665.10 = 911,980.84 : x
  2. Step 2: Convert to fraction form
    2,428,179.88/3,642,665.10 = 911,980.84/x
  3. Step 3: Cross multiply
    2,428,179.88x = 3,642,665.10 × 911,980.84
  4. Step 4: Simplify right side
    2,428,179.88x = 3,322,040,777,736.68
  5. Step 5: Solve for x
    x = 3,322,040,777,736.68/2,428,179.88
  6. Step 6: Final answer
    x = 1,368,119.72

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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.