Home / 1,969,556.24-2,720,229.62-1,323,855.43

Finding the Fourth Proportional to 1,969,556.24, 2,720,229.62 and 1,323,855.43

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Solution

The fourth proportional to 1,969,556.24, 2,720,229.62 and 1,323,855.43 is: 1,828,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,556.24 : 2,720,229.62 = 1,323,855.43 : x
  2. Step 2: Convert to fraction form
    1,969,556.24/2,720,229.62 = 1,323,855.43/x
  3. Step 3: Cross multiply
    1,969,556.24x = 2,720,229.62 × 1,323,855.43
  4. Step 4: Simplify right side
    1,969,556.24x = 3,601,190,751,034.02
  5. Step 5: Solve for x
    x = 3,601,190,751,034.02/1,969,556.24
  6. Step 6: Final answer
    x = 1,828,427.48

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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.