Home / 2,187,566.60-3,279,794.70-839,208.20

Finding the Fourth Proportional to 2,187,566.60, 3,279,794.70 and 839,208.20

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Solution

The fourth proportional to 2,187,566.60, 3,279,794.70 and 839,208.20 is: 1,258,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,566.60 : 3,279,794.70 = 839,208.20 : x
  2. Step 2: Convert to fraction form
    2,187,566.60/3,279,794.70 = 839,208.20/x
  3. Step 3: Cross multiply
    2,187,566.60x = 3,279,794.70 × 839,208.20
  4. Step 4: Simplify right side
    2,187,566.60x = 2,752,430,606,556.54
  5. Step 5: Solve for x
    x = 2,752,430,606,556.54/2,187,566.60
  6. Step 6: Final answer
    x = 1,258,215.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.