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Finding the Fourth Proportional to 1,992,393, 2,988,589.50 and 662,697

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Solution

The fourth proportional to 1,992,393, 2,988,589.50 and 662,697 is: 994,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,393 : 2,988,589.50 = 662,697 : x
  2. Step 2: Convert to fraction form
    1,992,393/2,988,589.50 = 662,697/x
  3. Step 3: Cross multiply
    1,992,393x = 2,988,589.50 × 662,697
  4. Step 4: Simplify right side
    1,992,393x = 1,980,529,295,881.50
  5. Step 5: Solve for x
    x = 1,980,529,295,881.50/1,992,393
  6. Step 6: Final answer
    x = 994,045.50

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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.