Home / 4,002,048.12-5,522,825.22-2,166,505.05

Finding the Fourth Proportional to 4,002,048.12, 5,522,825.22 and 2,166,505.05

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Solution

The fourth proportional to 4,002,048.12, 5,522,825.22 and 2,166,505.05 is: 2,989,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002,048.12 : 5,522,825.22 = 2,166,505.05 : x
  2. Step 2: Convert to fraction form
    4,002,048.12/5,522,825.22 = 2,166,505.05/x
  3. Step 3: Cross multiply
    4,002,048.12x = 5,522,825.22 × 2,166,505.05
  4. Step 4: Simplify right side
    4,002,048.12x = 11,965,228,729,397.36
  5. Step 5: Solve for x
    x = 11,965,228,729,397.36/4,002,048.12
  6. Step 6: Final answer
    x = 2,989,776.33

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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.