Home / 2,311,401.03-3,189,827.44-1,278,892.02

Finding the Fourth Proportional to 2,311,401.03, 3,189,827.44 and 1,278,892.02

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Solution

The fourth proportional to 2,311,401.03, 3,189,827.44 and 1,278,892.02 is: 1,764,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,401.03 : 3,189,827.44 = 1,278,892.02 : x
  2. Step 2: Convert to fraction form
    2,311,401.03/3,189,827.44 = 1,278,892.02/x
  3. Step 3: Cross multiply
    2,311,401.03x = 3,189,827.44 × 1,278,892.02
  4. Step 4: Simplify right side
    2,311,401.03x = 4,079,444,858,193.03
  5. Step 5: Solve for x
    x = 4,079,444,858,193.03/2,311,401.03
  6. Step 6: Final answer
    x = 1,764,923.01

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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.