Home / 3,561,189.92-5,342,031.12-1,431,275.84

Finding the Fourth Proportional to 3,561,189.92, 5,342,031.12 and 1,431,275.84

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Solution

The fourth proportional to 3,561,189.92, 5,342,031.12 and 1,431,275.84 is: 2,147,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,189.92 : 5,342,031.12 = 1,431,275.84 : x
  2. Step 2: Convert to fraction form
    3,561,189.92/5,342,031.12 = 1,431,275.84/x
  3. Step 3: Cross multiply
    3,561,189.92x = 5,342,031.12 × 1,431,275.84
  4. Step 4: Simplify right side
    3,561,189.92x = 7,645,920,078,584.14
  5. Step 5: Solve for x
    x = 7,645,920,078,584.14/3,561,189.92
  6. Step 6: Final answer
    x = 2,147,012.73

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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.