Home / 2,192,787.80-3,289,407.26-827,711.33

Finding the Fourth Proportional to 2,192,787.80, 3,289,407.26 and 827,711.33

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Solution

The fourth proportional to 2,192,787.80, 3,289,407.26 and 827,711.33 is: 1,241,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,787.80 : 3,289,407.26 = 827,711.33 : x
  2. Step 2: Convert to fraction form
    2,192,787.80/3,289,407.26 = 827,711.33/x
  3. Step 3: Cross multiply
    2,192,787.80x = 3,289,407.26 × 827,711.33
  4. Step 4: Simplify right side
    2,192,787.80x = 2,722,679,637,500.66
  5. Step 5: Solve for x
    x = 2,722,679,637,500.66/2,192,787.80
  6. Step 6: Final answer
    x = 1,241,652.13

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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.