Home / 1,811,906.40-2,718,187.65-911,081.10

Finding the Fourth Proportional to 1,811,906.40, 2,718,187.65 and 911,081.10

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Solution

The fourth proportional to 1,811,906.40, 2,718,187.65 and 911,081.10 is: 1,366,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,906.40 : 2,718,187.65 = 911,081.10 : x
  2. Step 2: Convert to fraction form
    1,811,906.40/2,718,187.65 = 911,081.10/x
  3. Step 3: Cross multiply
    1,811,906.40x = 2,718,187.65 × 911,081.10
  4. Step 4: Simplify right side
    1,811,906.40x = 2,476,489,394,168.42
  5. Step 5: Solve for x
    x = 2,476,489,394,168.42/1,811,906.40
  6. Step 6: Final answer
    x = 1,366,786.60

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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.