Home / 5,081,434.20-7,012,519.56-2,876,121.72

Finding the Fourth Proportional to 5,081,434.20, 7,012,519.56 and 2,876,121.72

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Solution

The fourth proportional to 5,081,434.20, 7,012,519.56 and 2,876,121.72 is: 3,969,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081,434.20 : 7,012,519.56 = 2,876,121.72 : x
  2. Step 2: Convert to fraction form
    5,081,434.20/7,012,519.56 = 2,876,121.72/x
  3. Step 3: Cross multiply
    5,081,434.20x = 7,012,519.56 × 2,876,121.72
  4. Step 4: Simplify right side
    5,081,434.20x = 20,168,859,818,440.84
  5. Step 5: Solve for x
    x = 20,168,859,818,440.84/5,081,434.20
  6. Step 6: Final answer
    x = 3,969,127.42

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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.