Home / 4,678,236.69-6,455,279.52-2,612,997.78

Finding the Fourth Proportional to 4,678,236.69, 6,455,279.52 and 2,612,997.78

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Solution

The fourth proportional to 4,678,236.69, 6,455,279.52 and 2,612,997.78 is: 3,605,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,236.69 : 6,455,279.52 = 2,612,997.78 : x
  2. Step 2: Convert to fraction form
    4,678,236.69/6,455,279.52 = 2,612,997.78/x
  3. Step 3: Cross multiply
    4,678,236.69x = 6,455,279.52 × 2,612,997.78
  4. Step 4: Simplify right side
    4,678,236.69x = 16,867,631,055,039.46
  5. Step 5: Solve for x
    x = 16,867,631,055,039.46/4,678,236.69
  6. Step 6: Final answer
    x = 3,605,553.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.