Home / 1,591,235.56-2,195,914.20-866,081.52

Finding the Fourth Proportional to 1,591,235.56, 2,195,914.20 and 866,081.52

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Solution

The fourth proportional to 1,591,235.56, 2,195,914.20 and 866,081.52 is: 1,195,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,235.56 : 2,195,914.20 = 866,081.52 : x
  2. Step 2: Convert to fraction form
    1,591,235.56/2,195,914.20 = 866,081.52/x
  3. Step 3: Cross multiply
    1,591,235.56x = 2,195,914.20 × 866,081.52
  4. Step 4: Simplify right side
    1,591,235.56x = 1,901,840,708,125.58
  5. Step 5: Solve for x
    x = 1,901,840,708,125.58/1,591,235.56
  6. Step 6: Final answer
    x = 1,195,197.47

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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.