Home / 2,132,183.72-2,942,129.04-1,369,270.64

Finding the Fourth Proportional to 2,132,183.72, 2,942,129.04 and 1,369,270.64

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Solution

The fourth proportional to 2,132,183.72, 2,942,129.04 and 1,369,270.64 is: 1,889,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,183.72 : 2,942,129.04 = 1,369,270.64 : x
  2. Step 2: Convert to fraction form
    2,132,183.72/2,942,129.04 = 1,369,270.64/x
  3. Step 3: Cross multiply
    2,132,183.72x = 2,942,129.04 × 1,369,270.64
  4. Step 4: Simplify right side
    2,132,183.72x = 4,028,570,913,563.39
  5. Step 5: Solve for x
    x = 4,028,570,913,563.39/2,132,183.72
  6. Step 6: Final answer
    x = 1,889,410.78

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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.