Home / 2,185,458.30-3,278,187.45-2,090,979.90

Finding the Fourth Proportional to 2,185,458.30, 3,278,187.45 and 2,090,979.90

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Solution

The fourth proportional to 2,185,458.30, 3,278,187.45 and 2,090,979.90 is: 3,136,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,458.30 : 3,278,187.45 = 2,090,979.90 : x
  2. Step 2: Convert to fraction form
    2,185,458.30/3,278,187.45 = 2,090,979.90/x
  3. Step 3: Cross multiply
    2,185,458.30x = 3,278,187.45 × 2,090,979.90
  4. Step 4: Simplify right side
    2,185,458.30x = 6,854,624,066,382.26
  5. Step 5: Solve for x
    x = 6,854,624,066,382.26/2,185,458.30
  6. Step 6: Final answer
    x = 3,136,469.85

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Double scale
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Similar ratio
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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.