Home / 2,147,377.11-2,963,436.96-1,180,531.75

Finding the Fourth Proportional to 2,147,377.11, 2,963,436.96 and 1,180,531.75

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Solution

The fourth proportional to 2,147,377.11, 2,963,436.96 and 1,180,531.75 is: 1,629,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,377.11 : 2,963,436.96 = 1,180,531.75 : x
  2. Step 2: Convert to fraction form
    2,147,377.11/2,963,436.96 = 1,180,531.75/x
  3. Step 3: Cross multiply
    2,147,377.11x = 2,963,436.96 × 1,180,531.75
  4. Step 4: Simplify right side
    2,147,377.11x = 3,498,431,420,403.48
  5. Step 5: Solve for x
    x = 3,498,431,420,403.48/2,147,377.11
  6. Step 6: Final answer
    x = 1,629,164.90

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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.