Home / 3,925,897.28-5,417,930.40-2,207,556.80

Finding the Fourth Proportional to 3,925,897.28, 5,417,930.40 and 2,207,556.80

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Solution

The fourth proportional to 3,925,897.28, 5,417,930.40 and 2,207,556.80 is: 3,046,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925,897.28 : 5,417,930.40 = 2,207,556.80 : x
  2. Step 2: Convert to fraction form
    3,925,897.28/5,417,930.40 = 2,207,556.80/x
  3. Step 3: Cross multiply
    3,925,897.28x = 5,417,930.40 × 2,207,556.80
  4. Step 4: Simplify right side
    3,925,897.28x = 11,960,389,096,446.72
  5. Step 5: Solve for x
    x = 11,960,389,096,446.72/3,925,897.28
  6. Step 6: Final answer
    x = 3,046,536.43

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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.