Home / 2,227,672.40-3,074,190.90-1,209,076.88

Finding the Fourth Proportional to 2,227,672.40, 3,074,190.90 and 1,209,076.88

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Solution

The fourth proportional to 2,227,672.40, 3,074,190.90 and 1,209,076.88 is: 1,668,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,672.40 : 3,074,190.90 = 1,209,076.88 : x
  2. Step 2: Convert to fraction form
    2,227,672.40/3,074,190.90 = 1,209,076.88/x
  3. Step 3: Cross multiply
    2,227,672.40x = 3,074,190.90 × 1,209,076.88
  4. Step 4: Simplify right side
    2,227,672.40x = 3,716,933,141,896.39
  5. Step 5: Solve for x
    x = 3,716,933,141,896.39/2,227,672.40
  6. Step 6: Final answer
    x = 1,668,527.72

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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.