Home / 1,961,188.58-2,940,097.79-681,629.83

Finding the Fourth Proportional to 1,961,188.58, 2,940,097.79 and 681,629.83

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Solution

The fourth proportional to 1,961,188.58, 2,940,097.79 and 681,629.83 is: 1,021,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,188.58 : 2,940,097.79 = 681,629.83 : x
  2. Step 2: Convert to fraction form
    1,961,188.58/2,940,097.79 = 681,629.83/x
  3. Step 3: Cross multiply
    1,961,188.58x = 2,940,097.79 × 681,629.83
  4. Step 4: Simplify right side
    1,961,188.58x = 2,004,058,351,134.91
  5. Step 5: Solve for x
    x = 2,004,058,351,134.91/1,961,188.58
  6. Step 6: Final answer
    x = 1,021,859.08

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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.