Home / 3,189,171.69-4,401,561.78-1,900,759.41

Finding the Fourth Proportional to 3,189,171.69, 4,401,561.78 and 1,900,759.41

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Solution

The fourth proportional to 3,189,171.69, 4,401,561.78 and 1,900,759.41 is: 2,623,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,171.69 : 4,401,561.78 = 1,900,759.41 : x
  2. Step 2: Convert to fraction form
    3,189,171.69/4,401,561.78 = 1,900,759.41/x
  3. Step 3: Cross multiply
    3,189,171.69x = 4,401,561.78 × 1,900,759.41
  4. Step 4: Simplify right side
    3,189,171.69x = 8,366,309,972,031.35
  5. Step 5: Solve for x
    x = 8,366,309,972,031.35/3,189,171.69
  6. Step 6: Final answer
    x = 2,623,348.88

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1.5x scale

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.