Home / 2,894,940.80-3,994,945.44-1,605,809.60

Finding the Fourth Proportional to 2,894,940.80, 3,994,945.44 and 1,605,809.60

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Solution

The fourth proportional to 2,894,940.80, 3,994,945.44 and 1,605,809.60 is: 2,215,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,940.80 : 3,994,945.44 = 1,605,809.60 : x
  2. Step 2: Convert to fraction form
    2,894,940.80/3,994,945.44 = 1,605,809.60/x
  3. Step 3: Cross multiply
    2,894,940.80x = 3,994,945.44 × 1,605,809.60
  4. Step 4: Simplify right side
    2,894,940.80x = 6,415,121,739,028.23
  5. Step 5: Solve for x
    x = 6,415,121,739,028.23/2,894,940.80
  6. Step 6: Final answer
    x = 2,215,976.83

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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.