Home / 2,271,825.46-3,135,127.89-1,253,215.54

Finding the Fourth Proportional to 2,271,825.46, 3,135,127.89 and 1,253,215.54

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Solution

The fourth proportional to 2,271,825.46, 3,135,127.89 and 1,253,215.54 is: 1,729,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,825.46 : 3,135,127.89 = 1,253,215.54 : x
  2. Step 2: Convert to fraction form
    2,271,825.46/3,135,127.89 = 1,253,215.54/x
  3. Step 3: Cross multiply
    2,271,825.46x = 3,135,127.89 × 1,253,215.54
  4. Step 4: Simplify right side
    2,271,825.46x = 3,928,990,991,635.41
  5. Step 5: Solve for x
    x = 3,928,990,991,635.41/2,271,825.46
  6. Step 6: Final answer
    x = 1,729,442.27

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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.