Home / 3,996,580.82-5,515,277.63-2,161,034.72

Finding the Fourth Proportional to 3,996,580.82, 5,515,277.63 and 2,161,034.72

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Solution

The fourth proportional to 3,996,580.82, 5,515,277.63 and 2,161,034.72 is: 2,982,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,580.82 : 5,515,277.63 = 2,161,034.72 : x
  2. Step 2: Convert to fraction form
    3,996,580.82/5,515,277.63 = 2,161,034.72/x
  3. Step 3: Cross multiply
    3,996,580.82x = 5,515,277.63 × 2,161,034.72
  4. Step 4: Simplify right side
    3,996,580.82x = 11,918,706,410,487.75
  5. Step 5: Solve for x
    x = 11,918,706,410,487.75/3,996,580.82
  6. Step 6: Final answer
    x = 2,982,225.80

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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.