Home / 1,976,922.52-2,961,997.71-1,078,993.78

Finding the Fourth Proportional to 1,976,922.52, 2,961,997.71 and 1,078,993.78

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Solution

The fourth proportional to 1,976,922.52, 2,961,997.71 and 1,078,993.78 is: 1,616,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,922.52 : 2,961,997.71 = 1,078,993.78 : x
  2. Step 2: Convert to fraction form
    1,976,922.52/2,961,997.71 = 1,078,993.78/x
  3. Step 3: Cross multiply
    1,976,922.52x = 2,961,997.71 × 1,078,993.78
  4. Step 4: Simplify right side
    1,976,922.52x = 3,195,977,105,464.24
  5. Step 5: Solve for x
    x = 3,195,977,105,464.24/1,976,922.52
  6. Step 6: Final answer
    x = 1,616,642.57

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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.