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Finding the Fourth Proportional to 2,080,744, 3,121,116 and 504,808

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Solution

The fourth proportional to 2,080,744, 3,121,116 and 504,808 is: 757,212

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,744 : 3,121,116 = 504,808 : x
  2. Step 2: Convert to fraction form
    2,080,744/3,121,116 = 504,808/x
  3. Step 3: Cross multiply
    2,080,744x = 3,121,116 × 504,808
  4. Step 4: Simplify right side
    2,080,744x = 1,575,564,325,728
  5. Step 5: Solve for x
    x = 1,575,564,325,728/2,080,744
  6. Step 6: Final answer
    x = 757,212

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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.