Home / 3,759,120.30-5,187,588.21-2,040,240.80

Finding the Fourth Proportional to 3,759,120.30, 5,187,588.21 and 2,040,240.80

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Solution

The fourth proportional to 3,759,120.30, 5,187,588.21 and 2,040,240.80 is: 2,815,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,120.30 : 5,187,588.21 = 2,040,240.80 : x
  2. Step 2: Convert to fraction form
    3,759,120.30/5,187,588.21 = 2,040,240.80/x
  3. Step 3: Cross multiply
    3,759,120.30x = 5,187,588.21 × 2,040,240.80
  4. Step 4: Simplify right side
    3,759,120.30x = 10,583,929,119,640.97
  5. Step 5: Solve for x
    x = 10,583,929,119,640.97/3,759,120.30
  6. Step 6: Final answer
    x = 2,815,533.50

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Double scale
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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.