Home / 3,189,168.06-4,401,556.79-1,900,755.78

Finding the Fourth Proportional to 3,189,168.06, 4,401,556.79 and 1,900,755.78

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Solution

The fourth proportional to 3,189,168.06, 4,401,556.79 and 1,900,755.78 is: 2,623,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,168.06 : 4,401,556.79 = 1,900,755.78 : x
  2. Step 2: Convert to fraction form
    3,189,168.06/4,401,556.79 = 1,900,755.78/x
  3. Step 3: Cross multiply
    3,189,168.06x = 4,401,556.79 × 1,900,755.78
  4. Step 4: Simplify right side
    3,189,168.06x = 8,366,284,509,590.75
  5. Step 5: Solve for x
    x = 8,366,284,509,590.75/3,189,168.06
  6. Step 6: Final answer
    x = 2,623,343.88

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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.