Home / 2,540,493.39-3,505,884.58-1,378,940.56

Finding the Fourth Proportional to 2,540,493.39, 3,505,884.58 and 1,378,940.56

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Solution

The fourth proportional to 2,540,493.39, 3,505,884.58 and 1,378,940.56 is: 1,902,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,493.39 : 3,505,884.58 = 1,378,940.56 : x
  2. Step 2: Convert to fraction form
    2,540,493.39/3,505,884.58 = 1,378,940.56/x
  3. Step 3: Cross multiply
    2,540,493.39x = 3,505,884.58 × 1,378,940.56
  4. Step 4: Simplify right side
    2,540,493.39x = 4,834,406,431,242.99
  5. Step 5: Solve for x
    x = 4,834,406,431,242.99/2,540,493.39
  6. Step 6: Final answer
    x = 1,902,939.98

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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.