Home / 3,218,909.94-4,827,615.84-1,198,105.56

Finding the Fourth Proportional to 3,218,909.94, 4,827,615.84 and 1,198,105.56

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Solution

The fourth proportional to 3,218,909.94, 4,827,615.84 and 1,198,105.56 is: 1,796,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,909.94 : 4,827,615.84 = 1,198,105.56 : x
  2. Step 2: Convert to fraction form
    3,218,909.94/4,827,615.84 = 1,198,105.56/x
  3. Step 3: Cross multiply
    3,218,909.94x = 4,827,615.84 × 1,198,105.56
  4. Step 4: Simplify right side
    3,218,909.94x = 5,783,993,379,448.07
  5. Step 5: Solve for x
    x = 5,783,993,379,448.07/3,218,909.94
  6. Step 6: Final answer
    x = 1,796,879.53

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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.