Home / 2,101,561.97-3,151,215.44-661,976.51

Finding the Fourth Proportional to 2,101,561.97, 3,151,215.44 and 661,976.51

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Solution

The fourth proportional to 2,101,561.97, 3,151,215.44 and 661,976.51 is: 992,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,561.97 : 3,151,215.44 = 661,976.51 : x
  2. Step 2: Convert to fraction form
    2,101,561.97/3,151,215.44 = 661,976.51/x
  3. Step 3: Cross multiply
    2,101,561.97x = 3,151,215.44 × 661,976.51
  4. Step 4: Simplify right side
    2,101,561.97x = 2,086,030,595,919.43
  5. Step 5: Solve for x
    x = 2,086,030,595,919.43/2,101,561.97
  6. Step 6: Final answer
    x = 992,609.60

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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.