Home / 2,190,629.43-3,023,053.31-1,223,759.43

Finding the Fourth Proportional to 2,190,629.43, 3,023,053.31 and 1,223,759.43

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Solution

The fourth proportional to 2,190,629.43, 3,023,053.31 and 1,223,759.43 is: 1,688,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,629.43 : 3,023,053.31 = 1,223,759.43 : x
  2. Step 2: Convert to fraction form
    2,190,629.43/3,023,053.31 = 1,223,759.43/x
  3. Step 3: Cross multiply
    2,190,629.43x = 3,023,053.31 × 1,223,759.43
  4. Step 4: Simplify right side
    2,190,629.43x = 3,699,489,998,564.61
  5. Step 5: Solve for x
    x = 3,699,489,998,564.61/2,190,629.43
  6. Step 6: Final answer
    x = 1,688,779.47

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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.