Home / 2,227,739.90-3,074,286.96-1,209,144.65

Finding the Fourth Proportional to 2,227,739.90, 3,074,286.96 and 1,209,144.65

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Solution

The fourth proportional to 2,227,739.90, 3,074,286.96 and 1,209,144.65 is: 1,668,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,739.90 : 3,074,286.96 = 1,209,144.65 : x
  2. Step 2: Convert to fraction form
    2,227,739.90/3,074,286.96 = 1,209,144.65/x
  3. Step 3: Cross multiply
    2,227,739.90x = 3,074,286.96 × 1,209,144.65
  4. Step 4: Simplify right side
    2,227,739.90x = 3,717,257,614,877.33
  5. Step 5: Solve for x
    x = 3,717,257,614,877.33/2,227,739.90
  6. Step 6: Final answer
    x = 1,668,622.82

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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.