Home / 1,591,189.12-2,195,858.88-866,041.44

Finding the Fourth Proportional to 1,591,189.12, 2,195,858.88 and 866,041.44

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Solution

The fourth proportional to 1,591,189.12, 2,195,858.88 and 866,041.44 is: 1,195,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,189.12 : 2,195,858.88 = 866,041.44 : x
  2. Step 2: Convert to fraction form
    1,591,189.12/2,195,858.88 = 866,041.44/x
  3. Step 3: Cross multiply
    1,591,189.12x = 2,195,858.88 × 866,041.44
  4. Step 4: Simplify right side
    1,591,189.12x = 1,901,704,786,471.99
  5. Step 5: Solve for x
    x = 1,901,704,786,471.99/1,591,189.12
  6. Step 6: Final answer
    x = 1,195,146.93

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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.