Home / 2,271,767.68-3,134,897.28-1,253,171.20

Finding the Fourth Proportional to 2,271,767.68, 3,134,897.28 and 1,253,171.20

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Solution

The fourth proportional to 2,271,767.68, 3,134,897.28 and 1,253,171.20 is: 1,729,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,767.68 : 3,134,897.28 = 1,253,171.20 : x
  2. Step 2: Convert to fraction form
    2,271,767.68/3,134,897.28 = 1,253,171.20/x
  3. Step 3: Cross multiply
    2,271,767.68x = 3,134,897.28 × 1,253,171.20
  4. Step 4: Simplify right side
    2,271,767.68x = 3,928,562,986,254.34
  5. Step 5: Solve for x
    x = 3,928,562,986,254.34/2,271,767.68
  6. Step 6: Final answer
    x = 1,729,297.86

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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.