Home / 2,912,606.94-4,368,906.61-782,691.06

Finding the Fourth Proportional to 2,912,606.94, 4,368,906.61 and 782,691.06

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Solution

The fourth proportional to 2,912,606.94, 4,368,906.61 and 782,691.06 is: 1,174,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,606.94 : 4,368,906.61 = 782,691.06 : x
  2. Step 2: Convert to fraction form
    2,912,606.94/4,368,906.61 = 782,691.06/x
  3. Step 3: Cross multiply
    2,912,606.94x = 4,368,906.61 × 782,691.06
  4. Step 4: Simplify right side
    2,912,606.94x = 3,419,504,145,621.91
  5. Step 5: Solve for x
    x = 3,419,504,145,621.91/2,912,606.94
  6. Step 6: Final answer
    x = 1,174,035.57

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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.