Home / 2,728,304.43-4,091,330.64-931,332.79

Finding the Fourth Proportional to 2,728,304.43, 4,091,330.64 and 931,332.79

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Solution

The fourth proportional to 2,728,304.43, 4,091,330.64 and 931,332.79 is: 1,396,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,304.43 : 4,091,330.64 = 931,332.79 : x
  2. Step 2: Convert to fraction form
    2,728,304.43/4,091,330.64 = 931,332.79/x
  3. Step 3: Cross multiply
    2,728,304.43x = 4,091,330.64 × 931,332.79
  4. Step 4: Simplify right side
    2,728,304.43x = 3,810,390,379,763.69
  5. Step 5: Solve for x
    x = 3,810,390,379,763.69/2,728,304.43
  6. Step 6: Final answer
    x = 1,396,614.81

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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.