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Finding the Fourth Proportional to 1,992,039, 2,988,084.48 and 662,343

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Solution

The fourth proportional to 1,992,039, 2,988,084.48 and 662,343 is: 993,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,039 : 2,988,084.48 = 662,343 : x
  2. Step 2: Convert to fraction form
    1,992,039/2,988,084.48 = 662,343/x
  3. Step 3: Cross multiply
    1,992,039x = 2,988,084.48 × 662,343
  4. Step 4: Simplify right side
    1,992,039x = 1,979,136,838,736.64
  5. Step 5: Solve for x
    x = 1,979,136,838,736.64/1,992,039
  6. Step 6: Final answer
    x = 993,523.14

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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.