Home / 2,003,403.88-3,005,105.82-1,213,777

Finding the Fourth Proportional to 2,003,403.88, 3,005,105.82 and 1,213,777

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Solution

The fourth proportional to 2,003,403.88, 3,005,105.82 and 1,213,777 is: 1,820,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,403.88 : 3,005,105.82 = 1,213,777 : x
  2. Step 2: Convert to fraction form
    2,003,403.88/3,005,105.82 = 1,213,777/x
  3. Step 3: Cross multiply
    2,003,403.88x = 3,005,105.82 × 1,213,777
  4. Step 4: Simplify right side
    2,003,403.88x = 3,647,528,326,882.14
  5. Step 5: Solve for x
    x = 3,647,528,326,882.14/2,003,403.88
  6. Step 6: Final answer
    x = 1,820,665.50

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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.