Home / 1,986,571.24-2,741,415.78-1,081,133.80

Finding the Fourth Proportional to 1,986,571.24, 2,741,415.78 and 1,081,133.80

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Solution

The fourth proportional to 1,986,571.24, 2,741,415.78 and 1,081,133.80 is: 1,491,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,571.24 : 2,741,415.78 = 1,081,133.80 : x
  2. Step 2: Convert to fraction form
    1,986,571.24/2,741,415.78 = 1,081,133.80/x
  3. Step 3: Cross multiply
    1,986,571.24x = 2,741,415.78 × 1,081,133.80
  4. Step 4: Simplify right side
    1,986,571.24x = 2,963,837,259,611.36
  5. Step 5: Solve for x
    x = 2,963,837,259,611.36/1,986,571.24
  6. Step 6: Final answer
    x = 1,491,936.06

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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.