Home / 2,150,866.90-3,223,643.14-1,086,213.43

Finding the Fourth Proportional to 2,150,866.90, 3,223,643.14 and 1,086,213.43

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Solution

The fourth proportional to 2,150,866.90, 3,223,643.14 and 1,086,213.43 is: 1,627,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,866.90 : 3,223,643.14 = 1,086,213.43 : x
  2. Step 2: Convert to fraction form
    2,150,866.90/3,223,643.14 = 1,086,213.43/x
  3. Step 3: Cross multiply
    2,150,866.90x = 3,223,643.14 × 1,086,213.43
  4. Step 4: Simplify right side
    2,150,866.90x = 3,501,564,472,195.37
  5. Step 5: Solve for x
    x = 3,501,564,472,195.37/2,150,866.90
  6. Step 6: Final answer
    x = 1,627,978.22

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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.