Home / 2,193,145.20-3,289,717.80-772,729.20

Finding the Fourth Proportional to 2,193,145.20, 3,289,717.80 and 772,729.20

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Solution

The fourth proportional to 2,193,145.20, 3,289,717.80 and 772,729.20 is: 1,159,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,145.20 : 3,289,717.80 = 772,729.20 : x
  2. Step 2: Convert to fraction form
    2,193,145.20/3,289,717.80 = 772,729.20/x
  3. Step 3: Cross multiply
    2,193,145.20x = 3,289,717.80 × 772,729.20
  4. Step 4: Simplify right side
    2,193,145.20x = 2,542,061,003,819.76
  5. Step 5: Solve for x
    x = 2,542,061,003,819.76/2,193,145.20
  6. Step 6: Final answer
    x = 1,159,093.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.