Home / 3,112,942.33-4,669,063.39-838,634.77

Finding the Fourth Proportional to 3,112,942.33, 4,669,063.39 and 838,634.77

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Solution

The fourth proportional to 3,112,942.33, 4,669,063.39 and 838,634.77 is: 1,257,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,942.33 : 4,669,063.39 = 838,634.77 : x
  2. Step 2: Convert to fraction form
    3,112,942.33/4,669,063.39 = 838,634.77/x
  3. Step 3: Cross multiply
    3,112,942.33x = 4,669,063.39 × 838,634.77
  4. Step 4: Simplify right side
    3,112,942.33x = 3,915,638,902,188.07
  5. Step 5: Solve for x
    x = 3,915,638,902,188.07/3,112,942.33
  6. Step 6: Final answer
    x = 1,257,857.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.