Home / 3,969,784.44-5,954,744.70-1,129,969.80

Finding the Fourth Proportional to 3,969,784.44, 5,954,744.70 and 1,129,969.80

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Solution

The fourth proportional to 3,969,784.44, 5,954,744.70 and 1,129,969.80 is: 1,694,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,784.44 : 5,954,744.70 = 1,129,969.80 : x
  2. Step 2: Convert to fraction form
    3,969,784.44/5,954,744.70 = 1,129,969.80/x
  3. Step 3: Cross multiply
    3,969,784.44x = 5,954,744.70 × 1,129,969.80
  4. Step 4: Simplify right side
    3,969,784.44x = 6,728,681,677,710.06
  5. Step 5: Solve for x
    x = 6,728,681,677,710.06/3,969,784.44
  6. Step 6: Final answer
    x = 1,694,974.07

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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.