Home / 3,910,072.65-5,393,982.78-3,393,100.95

Finding the Fourth Proportional to 3,910,072.65, 5,393,982.78 and 3,393,100.95

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Solution

The fourth proportional to 3,910,072.65, 5,393,982.78 and 3,393,100.95 is: 4,680,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,072.65 : 5,393,982.78 = 3,393,100.95 : x
  2. Step 2: Convert to fraction form
    3,910,072.65/5,393,982.78 = 3,393,100.95/x
  3. Step 3: Cross multiply
    3,910,072.65x = 5,393,982.78 × 3,393,100.95
  4. Step 4: Simplify right side
    3,910,072.65x = 18,302,328,095,101.64
  5. Step 5: Solve for x
    x = 18,302,328,095,101.64/3,910,072.65
  6. Step 6: Final answer
    x = 4,680,815.35

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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.