Home / 2,202,662.57-3,039,857.56-1,222,693.84

Finding the Fourth Proportional to 2,202,662.57, 3,039,857.56 and 1,222,693.84

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Solution

The fourth proportional to 2,202,662.57, 3,039,857.56 and 1,222,693.84 is: 1,687,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,662.57 : 3,039,857.56 = 1,222,693.84 : x
  2. Step 2: Convert to fraction form
    2,202,662.57/3,039,857.56 = 1,222,693.84/x
  3. Step 3: Cross multiply
    2,202,662.57x = 3,039,857.56 × 1,222,693.84
  4. Step 4: Simplify right side
    2,202,662.57x = 3,716,815,094,440.77
  5. Step 5: Solve for x
    x = 3,716,815,094,440.77/2,202,662.57
  6. Step 6: Final answer
    x = 1,687,419.20

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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.