Home / 1,843,921.80-2,765,882.70-1,206,192.60

Finding the Fourth Proportional to 1,843,921.80, 2,765,882.70 and 1,206,192.60

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Solution

The fourth proportional to 1,843,921.80, 2,765,882.70 and 1,206,192.60 is: 1,809,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,921.80 : 2,765,882.70 = 1,206,192.60 : x
  2. Step 2: Convert to fraction form
    1,843,921.80/2,765,882.70 = 1,206,192.60/x
  3. Step 3: Cross multiply
    1,843,921.80x = 2,765,882.70 × 1,206,192.60
  4. Step 4: Simplify right side
    1,843,921.80x = 3,336,187,245,208.02
  5. Step 5: Solve for x
    x = 3,336,187,245,208.02/1,843,921.80
  6. Step 6: Final answer
    x = 1,809,288.90

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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.