Home / 2,819,578.26-3,891,021.15-1,530,418.30

Finding the Fourth Proportional to 2,819,578.26, 3,891,021.15 and 1,530,418.30

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Solution

The fourth proportional to 2,819,578.26, 3,891,021.15 and 1,530,418.30 is: 2,111,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,578.26 : 3,891,021.15 = 1,530,418.30 : x
  2. Step 2: Convert to fraction form
    2,819,578.26/3,891,021.15 = 1,530,418.30/x
  3. Step 3: Cross multiply
    2,819,578.26x = 3,891,021.15 × 1,530,418.30
  4. Step 4: Simplify right side
    2,819,578.26x = 5,954,889,973,647.05
  5. Step 5: Solve for x
    x = 5,954,889,973,647.05/2,819,578.26
  6. Step 6: Final answer
    x = 2,111,978.96

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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.