Home / 2,372,619.38-3,274,209.88-1,284,890.63

Finding the Fourth Proportional to 2,372,619.38, 3,274,209.88 and 1,284,890.63

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Solution

The fourth proportional to 2,372,619.38, 3,274,209.88 and 1,284,890.63 is: 1,773,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372,619.38 : 3,274,209.88 = 1,284,890.63 : x
  2. Step 2: Convert to fraction form
    2,372,619.38/3,274,209.88 = 1,284,890.63/x
  3. Step 3: Cross multiply
    2,372,619.38x = 3,274,209.88 × 1,284,890.63
  4. Step 4: Simplify right side
    2,372,619.38x = 4,207,001,575,882.15
  5. Step 5: Solve for x
    x = 4,207,001,575,882.15/2,372,619.38
  6. Step 6: Final answer
    x = 1,773,146.43

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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.