Home / 2,227,739.40-3,074,286.27-1,209,144.15

Finding the Fourth Proportional to 2,227,739.40, 3,074,286.27 and 1,209,144.15

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Solution

The fourth proportional to 2,227,739.40, 3,074,286.27 and 1,209,144.15 is: 1,668,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,739.40 : 3,074,286.27 = 1,209,144.15 : x
  2. Step 2: Convert to fraction form
    2,227,739.40/3,074,286.27 = 1,209,144.15/x
  3. Step 3: Cross multiply
    2,227,739.40x = 3,074,286.27 × 1,209,144.15
  4. Step 4: Simplify right side
    2,227,739.40x = 3,717,255,243,424.39
  5. Step 5: Solve for x
    x = 3,717,255,243,424.39/2,227,739.40
  6. Step 6: Final answer
    x = 1,668,622.13

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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.