Home / 5,447,895.80-8,171,843.70-1,857,716.60

Finding the Fourth Proportional to 5,447,895.80, 8,171,843.70 and 1,857,716.60

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Solution

The fourth proportional to 5,447,895.80, 8,171,843.70 and 1,857,716.60 is: 2,786,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,895.80 : 8,171,843.70 = 1,857,716.60 : x
  2. Step 2: Convert to fraction form
    5,447,895.80/8,171,843.70 = 1,857,716.60/x
  3. Step 3: Cross multiply
    5,447,895.80x = 8,171,843.70 × 1,857,716.60
  4. Step 4: Simplify right side
    5,447,895.80x = 15,180,969,694,095.42
  5. Step 5: Solve for x
    x = 15,180,969,694,095.42/5,447,895.80
  6. Step 6: Final answer
    x = 2,786,574.90

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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.