Home / 3,555,611.78-4,906,710.07-1,923,983.42

Finding the Fourth Proportional to 3,555,611.78, 4,906,710.07 and 1,923,983.42

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Solution

The fourth proportional to 3,555,611.78, 4,906,710.07 and 1,923,983.42 is: 2,655,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,611.78 : 4,906,710.07 = 1,923,983.42 : x
  2. Step 2: Convert to fraction form
    3,555,611.78/4,906,710.07 = 1,923,983.42/x
  3. Step 3: Cross multiply
    3,555,611.78x = 4,906,710.07 × 1,923,983.42
  4. Step 4: Simplify right side
    3,555,611.78x = 9,440,428,792,083.53
  5. Step 5: Solve for x
    x = 9,440,428,792,083.53/3,555,611.78
  6. Step 6: Final answer
    x = 2,655,078.62

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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.