Home / 2,311,898.76-3,190,307.04-1,279,388.52

Finding the Fourth Proportional to 2,311,898.76, 3,190,307.04 and 1,279,388.52

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Solution

The fourth proportional to 2,311,898.76, 3,190,307.04 and 1,279,388.52 is: 1,765,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,898.76 : 3,190,307.04 = 1,279,388.52 : x
  2. Step 2: Convert to fraction form
    2,311,898.76/3,190,307.04 = 1,279,388.52/x
  3. Step 3: Cross multiply
    2,311,898.76x = 3,190,307.04 × 1,279,388.52
  4. Step 4: Simplify right side
    2,311,898.76x = 4,081,642,202,251.18
  5. Step 5: Solve for x
    x = 4,081,642,202,251.18/2,311,898.76
  6. Step 6: Final answer
    x = 1,765,493.49

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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.