Home / 1,591,832-2,198,187.76-1,011,242.64

Finding the Fourth Proportional to 1,591,832, 2,198,187.76 and 1,011,242.64

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Solution

The fourth proportional to 1,591,832, 2,198,187.76 and 1,011,242.64 is: 1,396,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,832 : 2,198,187.76 = 1,011,242.64 : x
  2. Step 2: Convert to fraction form
    1,591,832/2,198,187.76 = 1,011,242.64/x
  3. Step 3: Cross multiply
    1,591,832x = 2,198,187.76 × 1,011,242.64
  4. Step 4: Simplify right side
    1,591,832x = 2,222,901,193,638.09
  5. Step 5: Solve for x
    x = 2,222,901,193,638.09/1,591,832
  6. Step 6: Final answer
    x = 1,396,442.08

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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.