Home / 3,179,087.82-4,387,256.31-1,821,223.26

Finding the Fourth Proportional to 3,179,087.82, 4,387,256.31 and 1,821,223.26

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Solution

The fourth proportional to 3,179,087.82, 4,387,256.31 and 1,821,223.26 is: 2,513,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,087.82 : 4,387,256.31 = 1,821,223.26 : x
  2. Step 2: Convert to fraction form
    3,179,087.82/4,387,256.31 = 1,821,223.26/x
  3. Step 3: Cross multiply
    3,179,087.82x = 4,387,256.31 × 1,821,223.26
  4. Step 4: Simplify right side
    3,179,087.82x = 7,990,173,239,353.77
  5. Step 5: Solve for x
    x = 7,990,173,239,353.77/3,179,087.82
  6. Step 6: Final answer
    x = 2,513,354.05

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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.