Home / 2,215,643.78-3,324,025.52-618,205.88

Finding the Fourth Proportional to 2,215,643.78, 3,324,025.52 and 618,205.88

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Solution

The fourth proportional to 2,215,643.78, 3,324,025.52 and 618,205.88 is: 927,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,643.78 : 3,324,025.52 = 618,205.88 : x
  2. Step 2: Convert to fraction form
    2,215,643.78/3,324,025.52 = 618,205.88/x
  3. Step 3: Cross multiply
    2,215,643.78x = 3,324,025.52 × 618,205.88
  4. Step 4: Simplify right side
    2,215,643.78x = 2,054,932,102,022.90
  5. Step 5: Solve for x
    x = 2,054,932,102,022.90/2,215,643.78
  6. Step 6: Final answer
    x = 927,465.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.