Home / 3,479,241.20-5,218,861.80-2,203,782.80

Finding the Fourth Proportional to 3,479,241.20, 5,218,861.80 and 2,203,782.80

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Solution

The fourth proportional to 3,479,241.20, 5,218,861.80 and 2,203,782.80 is: 3,305,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,241.20 : 5,218,861.80 = 2,203,782.80 : x
  2. Step 2: Convert to fraction form
    3,479,241.20/5,218,861.80 = 2,203,782.80/x
  3. Step 3: Cross multiply
    3,479,241.20x = 5,218,861.80 × 2,203,782.80
  4. Step 4: Simplify right side
    3,479,241.20x = 11,501,237,870,417.04
  5. Step 5: Solve for x
    x = 11,501,237,870,417.04/3,479,241.20
  6. Step 6: Final answer
    x = 3,305,674.20

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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.