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Finding the Fourth Proportional to 1,775,284, 2,449,892 and 970,468

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Solution

The fourth proportional to 1,775,284, 2,449,892 and 970,468 is: 1,339,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,284 : 2,449,892 = 970,468 : x
  2. Step 2: Convert to fraction form
    1,775,284/2,449,892 = 970,468/x
  3. Step 3: Cross multiply
    1,775,284x = 2,449,892 × 970,468
  4. Step 4: Simplify right side
    1,775,284x = 2,377,541,789,456
  5. Step 5: Solve for x
    x = 2,377,541,789,456/1,775,284
  6. Step 6: Final answer
    x = 1,339,245.88

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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.