Home / 3,672,987.30-5,509,480.95-2,179,995.30

Finding the Fourth Proportional to 3,672,987.30, 5,509,480.95 and 2,179,995.30

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Solution

The fourth proportional to 3,672,987.30, 5,509,480.95 and 2,179,995.30 is: 3,269,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,987.30 : 5,509,480.95 = 2,179,995.30 : x
  2. Step 2: Convert to fraction form
    3,672,987.30/5,509,480.95 = 2,179,995.30/x
  3. Step 3: Cross multiply
    3,672,987.30x = 5,509,480.95 × 2,179,995.30
  4. Step 4: Simplify right side
    3,672,987.30x = 12,010,642,576,439.54
  5. Step 5: Solve for x
    x = 12,010,642,576,439.54/3,672,987.30
  6. Step 6: Final answer
    x = 3,269,992.95

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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.