Home / 2,305,287.40-3,181,300.26-1,286,691.88

Finding the Fourth Proportional to 2,305,287.40, 3,181,300.26 and 1,286,691.88

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Solution

The fourth proportional to 2,305,287.40, 3,181,300.26 and 1,286,691.88 is: 1,775,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,287.40 : 3,181,300.26 = 1,286,691.88 : x
  2. Step 2: Convert to fraction form
    2,305,287.40/3,181,300.26 = 1,286,691.88/x
  3. Step 3: Cross multiply
    2,305,287.40x = 3,181,300.26 × 1,286,691.88
  4. Step 4: Simplify right side
    2,305,287.40x = 4,093,353,212,383.89
  5. Step 5: Solve for x
    x = 4,093,353,212,383.89/2,305,287.40
  6. Step 6: Final answer
    x = 1,775,636.83

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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.