Home / 6,116,365.80-8,439,640-3,538,286.48

Finding the Fourth Proportional to 6,116,365.80, 8,439,640 and 3,538,286.48

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Solution

The fourth proportional to 6,116,365.80, 8,439,640 and 3,538,286.48 is: 4,882,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,116,365.80 : 8,439,640 = 3,538,286.48 : x
  2. Step 2: Convert to fraction form
    6,116,365.80/8,439,640 = 3,538,286.48/x
  3. Step 3: Cross multiply
    6,116,365.80x = 8,439,640 × 3,538,286.48
  4. Step 4: Simplify right side
    6,116,365.80x = 29,861,864,108,067.20
  5. Step 5: Solve for x
    x = 29,861,864,108,067.20/6,116,365.80
  6. Step 6: Final answer
    x = 4,882,288.78

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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.