Home / 2,189,629.80-3,284,421.90-693,721.80

Finding the Fourth Proportional to 2,189,629.80, 3,284,421.90 and 693,721.80

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Solution

The fourth proportional to 2,189,629.80, 3,284,421.90 and 693,721.80 is: 1,040,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,629.80 : 3,284,421.90 = 693,721.80 : x
  2. Step 2: Convert to fraction form
    2,189,629.80/3,284,421.90 = 693,721.80/x
  3. Step 3: Cross multiply
    2,189,629.80x = 3,284,421.90 × 693,721.80
  4. Step 4: Simplify right side
    2,189,629.80x = 2,278,475,072,427.42
  5. Step 5: Solve for x
    x = 2,278,475,072,427.42/2,189,629.80
  6. Step 6: Final answer
    x = 1,040,575.48

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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.