Home / 3,907,470.42-5,392,414.35-2,188,553.22

Finding the Fourth Proportional to 3,907,470.42, 5,392,414.35 and 2,188,553.22

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Solution

The fourth proportional to 3,907,470.42, 5,392,414.35 and 2,188,553.22 is: 3,020,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,470.42 : 5,392,414.35 = 2,188,553.22 : x
  2. Step 2: Convert to fraction form
    3,907,470.42/5,392,414.35 = 2,188,553.22/x
  3. Step 3: Cross multiply
    3,907,470.42x = 5,392,414.35 × 2,188,553.22
  4. Step 4: Simplify right side
    3,907,470.42x = 11,801,585,789,266.71
  5. Step 5: Solve for x
    x = 11,801,585,789,266.71/3,907,470.42
  6. Step 6: Final answer
    x = 3,020,262.35

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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.