Home / 3,811,190.31-5,715,580.79-1,251,984.78

Finding the Fourth Proportional to 3,811,190.31, 5,715,580.79 and 1,251,984.78

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Solution

The fourth proportional to 3,811,190.31, 5,715,580.79 and 1,251,984.78 is: 1,877,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,190.31 : 5,715,580.79 = 1,251,984.78 : x
  2. Step 2: Convert to fraction form
    3,811,190.31/5,715,580.79 = 1,251,984.78/x
  3. Step 3: Cross multiply
    3,811,190.31x = 5,715,580.79 × 1,251,984.78
  4. Step 4: Simplify right side
    3,811,190.31x = 7,155,820,151,680.45
  5. Step 5: Solve for x
    x = 7,155,820,151,680.45/3,811,190.31
  6. Step 6: Final answer
    x = 1,877,581.43

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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.