Home / 1,825,198.97-2,735,867.80-687,468.92

Finding the Fourth Proportional to 1,825,198.97, 2,735,867.80 and 687,468.92

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Solution

The fourth proportional to 1,825,198.97, 2,735,867.80 and 687,468.92 is: 1,030,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,198.97 : 2,735,867.80 = 687,468.92 : x
  2. Step 2: Convert to fraction form
    1,825,198.97/2,735,867.80 = 687,468.92/x
  3. Step 3: Cross multiply
    1,825,198.97x = 2,735,867.80 × 687,468.92
  4. Step 4: Simplify right side
    1,825,198.97x = 1,880,824,081,728.78
  5. Step 5: Solve for x
    x = 1,880,824,081,728.78/1,825,198.97
  6. Step 6: Final answer
    x = 1,030,476.19

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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.