Home / 1,937,935.79-2,904,949.63-1,218,791.42

Finding the Fourth Proportional to 1,937,935.79, 2,904,949.63 and 1,218,791.42

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Solution

The fourth proportional to 1,937,935.79, 2,904,949.63 and 1,218,791.42 is: 1,826,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,935.79 : 2,904,949.63 = 1,218,791.42 : x
  2. Step 2: Convert to fraction form
    1,937,935.79/2,904,949.63 = 1,218,791.42/x
  3. Step 3: Cross multiply
    1,937,935.79x = 2,904,949.63 × 1,218,791.42
  4. Step 4: Simplify right side
    1,937,935.79x = 3,540,527,667,442.60
  5. Step 5: Solve for x
    x = 3,540,527,667,442.60/1,937,935.79
  6. Step 6: Final answer
    x = 1,826,958.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.