Home / 2,135,998.10-3,203,997.15-1,887,166.10

Finding the Fourth Proportional to 2,135,998.10, 3,203,997.15 and 1,887,166.10

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Solution

The fourth proportional to 2,135,998.10, 3,203,997.15 and 1,887,166.10 is: 2,830,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,998.10 : 3,203,997.15 = 1,887,166.10 : x
  2. Step 2: Convert to fraction form
    2,135,998.10/3,203,997.15 = 1,887,166.10/x
  3. Step 3: Cross multiply
    2,135,998.10x = 3,203,997.15 × 1,887,166.10
  4. Step 4: Simplify right side
    2,135,998.10x = 6,046,474,805,976.62
  5. Step 5: Solve for x
    x = 6,046,474,805,976.62/2,135,998.10
  6. Step 6: Final answer
    x = 2,830,749.15

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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.