Home / 2,079,031.20-3,121,754.40-1,134,247.20

Finding the Fourth Proportional to 2,079,031.20, 3,121,754.40 and 1,134,247.20

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Solution

The fourth proportional to 2,079,031.20, 3,121,754.40 and 1,134,247.20 is: 1,703,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,031.20 : 3,121,754.40 = 1,134,247.20 : x
  2. Step 2: Convert to fraction form
    2,079,031.20/3,121,754.40 = 1,134,247.20/x
  3. Step 3: Cross multiply
    2,079,031.20x = 3,121,754.40 × 1,134,247.20
  4. Step 4: Simplify right side
    2,079,031.20x = 3,540,841,187,287.68
  5. Step 5: Solve for x
    x = 3,540,841,187,287.68/2,079,031.20
  6. Step 6: Final answer
    x = 1,703,120.76

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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.