Home / 5,456,918.45-8,186,218.46-1,861,847.39

Finding the Fourth Proportional to 5,456,918.45, 8,186,218.46 and 1,861,847.39

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Solution

The fourth proportional to 5,456,918.45, 8,186,218.46 and 1,861,847.39 is: 2,793,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,918.45 : 8,186,218.46 = 1,861,847.39 : x
  2. Step 2: Convert to fraction form
    5,456,918.45/8,186,218.46 = 1,861,847.39/x
  3. Step 3: Cross multiply
    5,456,918.45x = 8,186,218.46 × 1,861,847.39
  4. Step 4: Simplify right side
    5,456,918.45x = 15,241,489,491,859.06
  5. Step 5: Solve for x
    x = 15,241,489,491,859.06/5,456,918.45
  6. Step 6: Final answer
    x = 2,793,057.95

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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.