Home / 3,910,453.78-5,866,057.75-1,214,055

Finding the Fourth Proportional to 3,910,453.78, 5,866,057.75 and 1,214,055

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Solution

The fourth proportional to 3,910,453.78, 5,866,057.75 and 1,214,055 is: 1,821,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,453.78 : 5,866,057.75 = 1,214,055 : x
  2. Step 2: Convert to fraction form
    3,910,453.78/5,866,057.75 = 1,214,055/x
  3. Step 3: Cross multiply
    3,910,453.78x = 5,866,057.75 × 1,214,055
  4. Step 4: Simplify right side
    3,910,453.78x = 7,121,716,741,676.25
  5. Step 5: Solve for x
    x = 7,121,716,741,676.25/3,910,453.78
  6. Step 6: Final answer
    x = 1,821,199.57

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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.