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Finding the Fourth Proportional to 2,243,694, 3,365,541 and 667,758

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Solution

The fourth proportional to 2,243,694, 3,365,541 and 667,758 is: 1,001,637

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,694 : 3,365,541 = 667,758 : x
  2. Step 2: Convert to fraction form
    2,243,694/3,365,541 = 667,758/x
  3. Step 3: Cross multiply
    2,243,694x = 3,365,541 × 667,758
  4. Step 4: Simplify right side
    2,243,694x = 2,247,366,927,078
  5. Step 5: Solve for x
    x = 2,247,366,927,078/2,243,694
  6. Step 6: Final answer
    x = 1,001,637

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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.