Home / 2,777,107.80-4,165,661.70-2,217,235.80

Finding the Fourth Proportional to 2,777,107.80, 4,165,661.70 and 2,217,235.80

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Solution

The fourth proportional to 2,777,107.80, 4,165,661.70 and 2,217,235.80 is: 3,325,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,107.80 : 4,165,661.70 = 2,217,235.80 : x
  2. Step 2: Convert to fraction form
    2,777,107.80/4,165,661.70 = 2,217,235.80/x
  3. Step 3: Cross multiply
    2,777,107.80x = 4,165,661.70 × 2,217,235.80
  4. Step 4: Simplify right side
    2,777,107.80x = 9,236,254,251,928.86
  5. Step 5: Solve for x
    x = 9,236,254,251,928.86/2,777,107.80
  6. Step 6: Final answer
    x = 3,325,853.70

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Double scale
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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.