Home / 2,218,517.67-3,319,020.73-1,680,324.30

Finding the Fourth Proportional to 2,218,517.67, 3,319,020.73 and 1,680,324.30

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Solution

The fourth proportional to 2,218,517.67, 3,319,020.73 and 1,680,324.30 is: 2,513,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,517.67 : 3,319,020.73 = 1,680,324.30 : x
  2. Step 2: Convert to fraction form
    2,218,517.67/3,319,020.73 = 1,680,324.30/x
  3. Step 3: Cross multiply
    2,218,517.67x = 3,319,020.73 × 1,680,324.30
  4. Step 4: Simplify right side
    2,218,517.67x = 5,577,031,184,822.74
  5. Step 5: Solve for x
    x = 5,577,031,184,822.74/2,218,517.67
  6. Step 6: Final answer
    x = 2,513,854.75

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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.