Home / 3,389,179.07-4,677,174.88-1,861,286.20

Finding the Fourth Proportional to 3,389,179.07, 4,677,174.88 and 1,861,286.20

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Solution

The fourth proportional to 3,389,179.07, 4,677,174.88 and 1,861,286.20 is: 2,568,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,179.07 : 4,677,174.88 = 1,861,286.20 : x
  2. Step 2: Convert to fraction form
    3,389,179.07/4,677,174.88 = 1,861,286.20/x
  3. Step 3: Cross multiply
    3,389,179.07x = 4,677,174.88 × 1,861,286.20
  4. Step 4: Simplify right side
    3,389,179.07x = 8,705,561,042,784.50
  5. Step 5: Solve for x
    x = 8,705,561,042,784.50/3,389,179.07
  6. Step 6: Final answer
    x = 2,568,634.13

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1.5x scale

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.