Home / 3,121,082-4,307,093.16-1,690,298

Finding the Fourth Proportional to 3,121,082, 4,307,093.16 and 1,690,298

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Solution

The fourth proportional to 3,121,082, 4,307,093.16 and 1,690,298 is: 2,332,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,082 : 4,307,093.16 = 1,690,298 : x
  2. Step 2: Convert to fraction form
    3,121,082/4,307,093.16 = 1,690,298/x
  3. Step 3: Cross multiply
    3,121,082x = 4,307,093.16 × 1,690,298
  4. Step 4: Simplify right side
    3,121,082x = 7,280,270,954,161.68
  5. Step 5: Solve for x
    x = 7,280,270,954,161.68/3,121,082
  6. Step 6: Final answer
    x = 2,332,611.24

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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.