Home / 2,768,956.92-3,821,163.66-1,561,732.92

Finding the Fourth Proportional to 2,768,956.92, 3,821,163.66 and 1,561,732.92

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Solution

The fourth proportional to 2,768,956.92, 3,821,163.66 and 1,561,732.92 is: 2,155,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,956.92 : 3,821,163.66 = 1,561,732.92 : x
  2. Step 2: Convert to fraction form
    2,768,956.92/3,821,163.66 = 1,561,732.92/x
  3. Step 3: Cross multiply
    2,768,956.92x = 3,821,163.66 × 1,561,732.92
  4. Step 4: Simplify right side
    2,768,956.92x = 5,967,637,080,529.69
  5. Step 5: Solve for x
    x = 5,967,637,080,529.69/2,768,956.92
  6. Step 6: Final answer
    x = 2,155,193.18

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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.