Home / 2,631,419.22-3,634,912.78-1,982,947.03

Finding the Fourth Proportional to 2,631,419.22, 3,634,912.78 and 1,982,947.03

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Solution

The fourth proportional to 2,631,419.22, 3,634,912.78 and 1,982,947.03 is: 2,739,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,419.22 : 3,634,912.78 = 1,982,947.03 : x
  2. Step 2: Convert to fraction form
    2,631,419.22/3,634,912.78 = 1,982,947.03/x
  3. Step 3: Cross multiply
    2,631,419.22x = 3,634,912.78 × 1,982,947.03
  4. Step 4: Simplify right side
    2,631,419.22x = 7,207,839,498,519.47
  5. Step 5: Solve for x
    x = 7,207,839,498,519.47/2,631,419.22
  6. Step 6: Final answer
    x = 2,739,145.26

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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.