Home / 3,189,173.19-4,401,563.85-1,900,760.91

Finding the Fourth Proportional to 3,189,173.19, 4,401,563.85 and 1,900,760.91

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Solution

The fourth proportional to 3,189,173.19, 4,401,563.85 and 1,900,760.91 is: 2,623,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,173.19 : 4,401,563.85 = 1,900,760.91 : x
  2. Step 2: Convert to fraction form
    3,189,173.19/4,401,563.85 = 1,900,760.91/x
  3. Step 3: Cross multiply
    3,189,173.19x = 4,401,563.85 × 1,900,760.91
  4. Step 4: Simplify right side
    3,189,173.19x = 8,366,320,508,949.10
  5. Step 5: Solve for x
    x = 8,366,320,508,949.10/3,189,173.19
  6. Step 6: Final answer
    x = 2,623,350.95

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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.