Home / 2,231,698.56-3,079,741.68-1,213,110.60

Finding the Fourth Proportional to 2,231,698.56, 3,079,741.68 and 1,213,110.60

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Solution

The fourth proportional to 2,231,698.56, 3,079,741.68 and 1,213,110.60 is: 1,674,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,698.56 : 3,079,741.68 = 1,213,110.60 : x
  2. Step 2: Convert to fraction form
    2,231,698.56/3,079,741.68 = 1,213,110.60/x
  3. Step 3: Cross multiply
    2,231,698.56x = 3,079,741.68 × 1,213,110.60
  4. Step 4: Simplify right side
    2,231,698.56x = 3,736,067,277,269.81
  5. Step 5: Solve for x
    x = 3,736,067,277,269.81/2,231,698.56
  6. Step 6: Final answer
    x = 1,674,091.36

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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.