Home / 3,931,292.67-5,424,286.32-2,211,785.79

Finding the Fourth Proportional to 3,931,292.67, 5,424,286.32 and 2,211,785.79

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Solution

The fourth proportional to 3,931,292.67, 5,424,286.32 and 2,211,785.79 is: 3,051,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,292.67 : 5,424,286.32 = 2,211,785.79 : x
  2. Step 2: Convert to fraction form
    3,931,292.67/5,424,286.32 = 2,211,785.79/x
  3. Step 3: Cross multiply
    3,931,292.67x = 5,424,286.32 × 2,211,785.79
  4. Step 4: Simplify right side
    3,931,292.67x = 11,997,359,403,467.39
  5. Step 5: Solve for x
    x = 11,997,359,403,467.39/3,931,292.67
  6. Step 6: Final answer
    x = 3,051,759.41

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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.