Home / 3,218,700.09-4,439,958.42-2,009,376.57

Finding the Fourth Proportional to 3,218,700.09, 4,439,958.42 and 2,009,376.57

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Solution

The fourth proportional to 3,218,700.09, 4,439,958.42 and 2,009,376.57 is: 2,771,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,700.09 : 4,439,958.42 = 2,009,376.57 : x
  2. Step 2: Convert to fraction form
    3,218,700.09/4,439,958.42 = 2,009,376.57/x
  3. Step 3: Cross multiply
    3,218,700.09x = 4,439,958.42 × 2,009,376.57
  4. Step 4: Simplify right side
    3,218,700.09x = 8,921,548,420,922.22
  5. Step 5: Solve for x
    x = 8,921,548,420,922.22/3,218,700.09
  6. Step 6: Final answer
    x = 2,771,786.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.