Home / 3,622,178.88-4,998,365.04-1,990,551.12

Finding the Fourth Proportional to 3,622,178.88, 4,998,365.04 and 1,990,551.12

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Solution

The fourth proportional to 3,622,178.88, 4,998,365.04 and 1,990,551.12 is: 2,746,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,178.88 : 4,998,365.04 = 1,990,551.12 : x
  2. Step 2: Convert to fraction form
    3,622,178.88/4,998,365.04 = 1,990,551.12/x
  3. Step 3: Cross multiply
    3,622,178.88x = 4,998,365.04 × 1,990,551.12
  4. Step 4: Simplify right side
    3,622,178.88x = 9,949,501,128,540.85
  5. Step 5: Solve for x
    x = 9,949,501,128,540.85/3,622,178.88
  6. Step 6: Final answer
    x = 2,746,827.66

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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.