Home / 2,173,805-2,999,944.59-1,206,935.42

Finding the Fourth Proportional to 2,173,805, 2,999,944.59 and 1,206,935.42

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Solution

The fourth proportional to 2,173,805, 2,999,944.59 and 1,206,935.42 is: 1,665,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,805 : 2,999,944.59 = 1,206,935.42 : x
  2. Step 2: Convert to fraction form
    2,173,805/2,999,944.59 = 1,206,935.42/x
  3. Step 3: Cross multiply
    2,173,805x = 2,999,944.59 × 1,206,935.42
  4. Step 4: Simplify right side
    2,173,805x = 3,620,739,383,708.38
  5. Step 5: Solve for x
    x = 3,620,739,383,708.38/2,173,805
  6. Step 6: Final answer
    x = 1,665,622.90

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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.