Home / 3,957,891.92-5,461,901.34-2,147,055.92

Finding the Fourth Proportional to 3,957,891.92, 5,461,901.34 and 2,147,055.92

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Solution

The fourth proportional to 3,957,891.92, 5,461,901.34 and 2,147,055.92 is: 2,962,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,891.92 : 5,461,901.34 = 2,147,055.92 : x
  2. Step 2: Convert to fraction form
    3,957,891.92/5,461,901.34 = 2,147,055.92/x
  3. Step 3: Cross multiply
    3,957,891.92x = 5,461,901.34 × 2,147,055.92
  4. Step 4: Simplify right side
    3,957,891.92x = 11,727,007,606,502.93
  5. Step 5: Solve for x
    x = 11,727,007,606,502.93/3,957,891.92
  6. Step 6: Final answer
    x = 2,962,942.86

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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.