Home / 1,969,235.41-2,717,506.97-1,109,778.43

Finding the Fourth Proportional to 1,969,235.41, 2,717,506.97 and 1,109,778.43

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Solution

The fourth proportional to 1,969,235.41, 2,717,506.97 and 1,109,778.43 is: 1,531,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,235.41 : 2,717,506.97 = 1,109,778.43 : x
  2. Step 2: Convert to fraction form
    1,969,235.41/2,717,506.97 = 1,109,778.43/x
  3. Step 3: Cross multiply
    1,969,235.41x = 2,717,506.97 × 1,109,778.43
  4. Step 4: Simplify right side
    1,969,235.41x = 3,015,830,607,867.57
  5. Step 5: Solve for x
    x = 3,015,830,607,867.57/1,969,235.41
  6. Step 6: Final answer
    x = 1,531,472.88

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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.