Home / 1,861,100.40-2,568,016.56-1,163,298.66

Finding the Fourth Proportional to 1,861,100.40, 2,568,016.56 and 1,163,298.66

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Solution

The fourth proportional to 1,861,100.40, 2,568,016.56 and 1,163,298.66 is: 1,605,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,100.40 : 2,568,016.56 = 1,163,298.66 : x
  2. Step 2: Convert to fraction form
    1,861,100.40/2,568,016.56 = 1,163,298.66/x
  3. Step 3: Cross multiply
    1,861,100.40x = 2,568,016.56 × 1,163,298.66
  4. Step 4: Simplify right side
    1,861,100.40x = 2,987,370,223,105.81
  5. Step 5: Solve for x
    x = 2,987,370,223,105.81/1,861,100.40
  6. Step 6: Final answer
    x = 1,605,163.39

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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.