Home / 2,187,133.30-3,279,715.80-838,847.80

Finding the Fourth Proportional to 2,187,133.30, 3,279,715.80 and 838,847.80

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Solution

The fourth proportional to 2,187,133.30, 3,279,715.80 and 838,847.80 is: 1,257,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,133.30 : 3,279,715.80 = 838,847.80 : x
  2. Step 2: Convert to fraction form
    2,187,133.30/3,279,715.80 = 838,847.80/x
  3. Step 3: Cross multiply
    2,187,133.30x = 3,279,715.80 × 838,847.80
  4. Step 4: Simplify right side
    2,187,133.30x = 2,751,182,383,455.24
  5. Step 5: Solve for x
    x = 2,751,182,383,455.24/2,187,133.30
  6. Step 6: Final answer
    x = 1,257,894.24

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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.