Home / 2,530,891.20-3,790,807.20-1,965,489.60

Finding the Fourth Proportional to 2,530,891.20, 3,790,807.20 and 1,965,489.60

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Solution

The fourth proportional to 2,530,891.20, 3,790,807.20 and 1,965,489.60 is: 2,943,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,891.20 : 3,790,807.20 = 1,965,489.60 : x
  2. Step 2: Convert to fraction form
    2,530,891.20/3,790,807.20 = 1,965,489.60/x
  3. Step 3: Cross multiply
    2,530,891.20x = 3,790,807.20 × 1,965,489.60
  4. Step 4: Simplify right side
    2,530,891.20x = 7,450,792,127,205.12
  5. Step 5: Solve for x
    x = 7,450,792,127,205.12/2,530,891.20
  6. Step 6: Final answer
    x = 2,943,940.11

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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.