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Finding the Fourth Proportional to 1,992,007, 2,988,036.44 and 662,311

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Solution

The fourth proportional to 1,992,007, 2,988,036.44 and 662,311 is: 993,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,007 : 2,988,036.44 = 662,311 : x
  2. Step 2: Convert to fraction form
    1,992,007/2,988,036.44 = 662,311/x
  3. Step 3: Cross multiply
    1,992,007x = 2,988,036.44 × 662,311
  4. Step 4: Simplify right side
    1,992,007x = 1,979,009,402,612.84
  5. Step 5: Solve for x
    x = 1,979,009,402,612.84/1,992,007
  6. Step 6: Final answer
    x = 993,475.12

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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.