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Finding the Fourth Proportional to 1,992,001, 2,988,027.42 and 662,305

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Solution

The fourth proportional to 1,992,001, 2,988,027.42 and 662,305 is: 993,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,001 : 2,988,027.42 = 662,305 : x
  2. Step 2: Convert to fraction form
    1,992,001/2,988,027.42 = 662,305/x
  3. Step 3: Cross multiply
    1,992,001x = 2,988,027.42 × 662,305
  4. Step 4: Simplify right side
    1,992,001x = 1,978,985,500,403.10
  5. Step 5: Solve for x
    x = 1,978,985,500,403.10/1,992,001
  6. Step 6: Final answer
    x = 993,466.12

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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.