Home / 3,143,128.03-4,735,694.78-2,839,874.42

Finding the Fourth Proportional to 3,143,128.03, 4,735,694.78 and 2,839,874.42

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Solution

The fourth proportional to 3,143,128.03, 4,735,694.78 and 2,839,874.42 is: 4,278,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,128.03 : 4,735,694.78 = 2,839,874.42 : x
  2. Step 2: Convert to fraction form
    3,143,128.03/4,735,694.78 = 2,839,874.42/x
  3. Step 3: Cross multiply
    3,143,128.03x = 4,735,694.78 × 2,839,874.42
  4. Step 4: Simplify right side
    3,143,128.03x = 13,448,778,464,289.39
  5. Step 5: Solve for x
    x = 13,448,778,464,289.39/3,143,128.03
  6. Step 6: Final answer
    x = 4,278,787.99

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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.