Home / 3,182,020.45-4,391,104.09-1,731,684.75

Finding the Fourth Proportional to 3,182,020.45, 4,391,104.09 and 1,731,684.75

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Solution

The fourth proportional to 3,182,020.45, 4,391,104.09 and 1,731,684.75 is: 2,389,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,020.45 : 4,391,104.09 = 1,731,684.75 : x
  2. Step 2: Convert to fraction form
    3,182,020.45/4,391,104.09 = 1,731,684.75/x
  3. Step 3: Cross multiply
    3,182,020.45x = 4,391,104.09 × 1,731,684.75
  4. Step 4: Simplify right side
    3,182,020.45x = 7,604,007,978,246.30
  5. Step 5: Solve for x
    x = 7,604,007,978,246.30/3,182,020.45
  6. Step 6: Final answer
    x = 2,389,679.16

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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.