Home / 2,486,945.79-3,431,960.93-1,384,359.72

Finding the Fourth Proportional to 2,486,945.79, 3,431,960.93 and 1,384,359.72

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Solution

The fourth proportional to 2,486,945.79, 3,431,960.93 and 1,384,359.72 is: 1,910,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,945.79 : 3,431,960.93 = 1,384,359.72 : x
  2. Step 2: Convert to fraction form
    2,486,945.79/3,431,960.93 = 1,384,359.72/x
  3. Step 3: Cross multiply
    2,486,945.79x = 3,431,960.93 × 1,384,359.72
  4. Step 4: Simplify right side
    2,486,945.79x = 4,751,068,465,183.94
  5. Step 5: Solve for x
    x = 4,751,068,465,183.94/2,486,945.79
  6. Step 6: Final answer
    x = 1,910,402.91

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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.