Home / 3,998,992.38-5,994,887.76-1,438,407.47

Finding the Fourth Proportional to 3,998,992.38, 5,994,887.76 and 1,438,407.47

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Solution

The fourth proportional to 3,998,992.38, 5,994,887.76 and 1,438,407.47 is: 2,156,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,992.38 : 5,994,887.76 = 1,438,407.47 : x
  2. Step 2: Convert to fraction form
    3,998,992.38/5,994,887.76 = 1,438,407.47/x
  3. Step 3: Cross multiply
    3,998,992.38x = 5,994,887.76 × 1,438,407.47
  4. Step 4: Simplify right side
    3,998,992.38x = 8,623,091,336,029.97
  5. Step 5: Solve for x
    x = 8,623,091,336,029.97/3,998,992.38
  6. Step 6: Final answer
    x = 2,156,316.02

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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.