Home / 3,912,942.47-5,399,860.75-2,194,063.13

Finding the Fourth Proportional to 3,912,942.47, 5,399,860.75 and 2,194,063.13

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Solution

The fourth proportional to 3,912,942.47, 5,399,860.75 and 2,194,063.13 is: 3,027,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,942.47 : 5,399,860.75 = 2,194,063.13 : x
  2. Step 2: Convert to fraction form
    3,912,942.47/5,399,860.75 = 2,194,063.13/x
  3. Step 3: Cross multiply
    3,912,942.47x = 5,399,860.75 × 2,194,063.13
  4. Step 4: Simplify right side
    3,912,942.47x = 11,847,635,386,723.64
  5. Step 5: Solve for x
    x = 11,847,635,386,723.64/3,912,942.47
  6. Step 6: Final answer
    x = 3,027,807.20

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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.