Home / 3,179,278.55-4,387,362.98-1,728,942.77

Finding the Fourth Proportional to 3,179,278.55, 4,387,362.98 and 1,728,942.77

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Solution

The fourth proportional to 3,179,278.55, 4,387,362.98 and 1,728,942.77 is: 2,385,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,278.55 : 4,387,362.98 = 1,728,942.77 : x
  2. Step 2: Convert to fraction form
    3,179,278.55/4,387,362.98 = 1,728,942.77/x
  3. Step 3: Cross multiply
    3,179,278.55x = 4,387,362.98 × 1,728,942.77
  4. Step 4: Simplify right side
    3,179,278.55x = 7,585,499,505,960.35
  5. Step 5: Solve for x
    x = 7,585,499,505,960.35/3,179,278.55
  6. Step 6: Final answer
    x = 2,385,918.50

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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.