Home / 2,825,940.12-3,899,900.16-1,618,949.40

Finding the Fourth Proportional to 2,825,940.12, 3,899,900.16 and 1,618,949.40

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Solution

The fourth proportional to 2,825,940.12, 3,899,900.16 and 1,618,949.40 is: 2,234,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,940.12 : 3,899,900.16 = 1,618,949.40 : x
  2. Step 2: Convert to fraction form
    2,825,940.12/3,899,900.16 = 1,618,949.40/x
  3. Step 3: Cross multiply
    2,825,940.12x = 3,899,900.16 × 1,618,949.40
  4. Step 4: Simplify right side
    2,825,940.12x = 6,313,741,024,091.90
  5. Step 5: Solve for x
    x = 6,313,741,024,091.90/2,825,940.12
  6. Step 6: Final answer
    x = 2,234,209.06

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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.