Home / 3,906,615.84-5,391,167.61-2,164,322.24

Finding the Fourth Proportional to 3,906,615.84, 5,391,167.61 and 2,164,322.24

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Solution

The fourth proportional to 3,906,615.84, 5,391,167.61 and 2,164,322.24 is: 2,986,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,615.84 : 5,391,167.61 = 2,164,322.24 : x
  2. Step 2: Convert to fraction form
    3,906,615.84/5,391,167.61 = 2,164,322.24/x
  3. Step 3: Cross multiply
    3,906,615.84x = 5,391,167.61 × 2,164,322.24
  4. Step 4: Simplify right side
    3,906,615.84x = 11,668,223,959,267.89
  5. Step 5: Solve for x
    x = 11,668,223,959,267.89/3,906,615.84
  6. Step 6: Final answer
    x = 2,986,785.61

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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.