Home / 3,143,188.53-4,735,786.32-2,839,935.20

Finding the Fourth Proportional to 3,143,188.53, 4,735,786.32 and 2,839,935.20

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Solution

The fourth proportional to 3,143,188.53, 4,735,786.32 and 2,839,935.20 is: 4,278,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,188.53 : 4,735,786.32 = 2,839,935.20 : x
  2. Step 2: Convert to fraction form
    3,143,188.53/4,735,786.32 = 2,839,935.20/x
  3. Step 3: Cross multiply
    3,143,188.53x = 4,735,786.32 × 2,839,935.20
  4. Step 4: Simplify right side
    3,143,188.53x = 13,449,326,246,167.53
  5. Step 5: Solve for x
    x = 13,449,326,246,167.53/3,143,188.53
  6. Step 6: Final answer
    x = 4,278,879.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.