Home / 3,907,940.91-5,393,257.65-2,458,878.45

Finding the Fourth Proportional to 3,907,940.91, 5,393,257.65 and 2,458,878.45

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Solution

The fourth proportional to 3,907,940.91, 5,393,257.65 and 2,458,878.45 is: 3,393,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,940.91 : 5,393,257.65 = 2,458,878.45 : x
  2. Step 2: Convert to fraction form
    3,907,940.91/5,393,257.65 = 2,458,878.45/x
  3. Step 3: Cross multiply
    3,907,940.91x = 5,393,257.65 × 2,458,878.45
  4. Step 4: Simplify right side
    3,907,940.91x = 13,261,365,010,882.64
  5. Step 5: Solve for x
    x = 13,261,365,010,882.64/3,907,940.91
  6. Step 6: Final answer
    x = 3,393,440.51

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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.