Home / 1,995,257.81-2,753,456.09-1,089,839.81

Finding the Fourth Proportional to 1,995,257.81, 2,753,456.09 and 1,089,839.81

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Solution

The fourth proportional to 1,995,257.81, 2,753,456.09 and 1,089,839.81 is: 1,503,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,257.81 : 2,753,456.09 = 1,089,839.81 : x
  2. Step 2: Convert to fraction form
    1,995,257.81/2,753,456.09 = 1,089,839.81/x
  3. Step 3: Cross multiply
    1,995,257.81x = 2,753,456.09 × 1,089,839.81
  4. Step 4: Simplify right side
    1,995,257.81x = 3,000,826,063,403.38
  5. Step 5: Solve for x
    x = 3,000,826,063,403.38/1,995,257.81
  6. Step 6: Final answer
    x = 1,503,979.11

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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.