Home / 2,268,919.71-3,131,069.04-1,236,436.74

Finding the Fourth Proportional to 2,268,919.71, 3,131,069.04 and 1,236,436.74

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Solution

The fourth proportional to 2,268,919.71, 3,131,069.04 and 1,236,436.74 is: 1,706,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,919.71 : 3,131,069.04 = 1,236,436.74 : x
  2. Step 2: Convert to fraction form
    2,268,919.71/3,131,069.04 = 1,236,436.74/x
  3. Step 3: Cross multiply
    2,268,919.71x = 3,131,069.04 × 1,236,436.74
  4. Step 4: Simplify right side
    2,268,919.71x = 3,871,368,796,532.53
  5. Step 5: Solve for x
    x = 3,871,368,796,532.53/2,268,919.71
  6. Step 6: Final answer
    x = 1,706,260.82

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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.