Home / 1,821,453.52-2,515,635.84-1,418,404

Finding the Fourth Proportional to 1,821,453.52, 2,515,635.84 and 1,418,404

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Solution

The fourth proportional to 1,821,453.52, 2,515,635.84 and 1,418,404 is: 1,958,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,453.52 : 2,515,635.84 = 1,418,404 : x
  2. Step 2: Convert to fraction form
    1,821,453.52/2,515,635.84 = 1,418,404/x
  3. Step 3: Cross multiply
    1,821,453.52x = 2,515,635.84 × 1,418,404
  4. Step 4: Simplify right side
    1,821,453.52x = 3,568,187,937,999.36
  5. Step 5: Solve for x
    x = 3,568,187,937,999.36/1,821,453.52
  6. Step 6: Final answer
    x = 1,958,978.31

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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.