Home / 6,631,146-9,946,719-2,143,422

Finding the Fourth Proportional to 6,631,146, 9,946,719 and 2,143,422

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Solution

The fourth proportional to 6,631,146, 9,946,719 and 2,143,422 is: 3,215,133

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,146 : 9,946,719 = 2,143,422 : x
  2. Step 2: Convert to fraction form
    6,631,146/9,946,719 = 2,143,422/x
  3. Step 3: Cross multiply
    6,631,146x = 9,946,719 × 2,143,422
  4. Step 4: Simplify right side
    6,631,146x = 21,320,016,332,418
  5. Step 5: Solve for x
    x = 21,320,016,332,418/6,631,146
  6. Step 6: Final answer
    x = 3,215,133

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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.