Home / 3,189,165.81-4,401,553.69-1,900,753.54

Finding the Fourth Proportional to 3,189,165.81, 4,401,553.69 and 1,900,753.54

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Solution

The fourth proportional to 3,189,165.81, 4,401,553.69 and 1,900,753.54 is: 2,623,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,165.81 : 4,401,553.69 = 1,900,753.54 : x
  2. Step 2: Convert to fraction form
    3,189,165.81/4,401,553.69 = 1,900,753.54/x
  3. Step 3: Cross multiply
    3,189,165.81x = 4,401,553.69 × 1,900,753.54
  4. Step 4: Simplify right side
    3,189,165.81x = 8,366,268,726,256.03
  5. Step 5: Solve for x
    x = 8,366,268,726,256.03/3,189,165.81
  6. Step 6: Final answer
    x = 2,623,340.78

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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.