Home / 3,910,533-5,396,522.76-2,279,905.80

Finding the Fourth Proportional to 3,910,533, 5,396,522.76 and 2,279,905.80

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Solution

The fourth proportional to 3,910,533, 5,396,522.76 and 2,279,905.80 is: 3,146,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,533 : 5,396,522.76 = 2,279,905.80 : x
  2. Step 2: Convert to fraction form
    3,910,533/5,396,522.76 = 2,279,905.80/x
  3. Step 3: Cross multiply
    3,910,533x = 5,396,522.76 × 2,279,905.80
  4. Step 4: Simplify right side
    3,910,533x = 12,303,563,540,356.01
  5. Step 5: Solve for x
    x = 12,303,563,540,356.01/3,910,533
  6. Step 6: Final answer
    x = 3,146,262.55

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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.