Home / 1,548,610.48-2,132,139-1,321,343.92

Finding the Fourth Proportional to 1,548,610.48, 2,132,139 and 1,321,343.92

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Solution

The fourth proportional to 1,548,610.48, 2,132,139 and 1,321,343.92 is: 1,819,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,610.48 : 2,132,139 = 1,321,343.92 : x
  2. Step 2: Convert to fraction form
    1,548,610.48/2,132,139 = 1,321,343.92/x
  3. Step 3: Cross multiply
    1,548,610.48x = 2,132,139 × 1,321,343.92
  4. Step 4: Simplify right side
    1,548,610.48x = 2,817,288,904,244.88
  5. Step 5: Solve for x
    x = 2,817,288,904,244.88/1,548,610.48
  6. Step 6: Final answer
    x = 1,819,236.63

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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.