Home / 2,808,177.80-4,212,266.70-2,099,589.80

Finding the Fourth Proportional to 2,808,177.80, 4,212,266.70 and 2,099,589.80

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Solution

The fourth proportional to 2,808,177.80, 4,212,266.70 and 2,099,589.80 is: 3,149,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,177.80 : 4,212,266.70 = 2,099,589.80 : x
  2. Step 2: Convert to fraction form
    2,808,177.80/4,212,266.70 = 2,099,589.80/x
  3. Step 3: Cross multiply
    2,808,177.80x = 4,212,266.70 × 2,099,589.80
  4. Step 4: Simplify right side
    2,808,177.80x = 8,844,032,198,199.66
  5. Step 5: Solve for x
    x = 8,844,032,198,199.66/2,808,177.80
  6. Step 6: Final answer
    x = 3,149,384.70

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Similar ratio
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1.5x scale

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.