Home / 2,211,520.88-3,050,728.32-1,521,995.65

Finding the Fourth Proportional to 2,211,520.88, 3,050,728.32 and 1,521,995.65

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Solution

The fourth proportional to 2,211,520.88, 3,050,728.32 and 1,521,995.65 is: 2,099,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,520.88 : 3,050,728.32 = 1,521,995.65 : x
  2. Step 2: Convert to fraction form
    2,211,520.88/3,050,728.32 = 1,521,995.65/x
  3. Step 3: Cross multiply
    2,211,520.88x = 3,050,728.32 × 1,521,995.65
  4. Step 4: Simplify right side
    2,211,520.88x = 4,643,195,217,135.01
  5. Step 5: Solve for x
    x = 4,643,195,217,135.01/2,211,520.88
  6. Step 6: Final answer
    x = 2,099,548.44

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.