Home / 2,651,021.89-3,658,185.75-1,489,377.13

Finding the Fourth Proportional to 2,651,021.89, 3,658,185.75 and 1,489,377.13

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Solution

The fourth proportional to 2,651,021.89, 3,658,185.75 and 1,489,377.13 is: 2,055,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,021.89 : 3,658,185.75 = 1,489,377.13 : x
  2. Step 2: Convert to fraction form
    2,651,021.89/3,658,185.75 = 1,489,377.13/x
  3. Step 3: Cross multiply
    2,651,021.89x = 3,658,185.75 × 1,489,377.13
  4. Step 4: Simplify right side
    2,651,021.89x = 5,448,418,193,341.90
  5. Step 5: Solve for x
    x = 5,448,418,193,341.90/2,651,021.89
  6. Step 6: Final answer
    x = 2,055,214.34

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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.