Home / 3,347,980.38-5,022,616.95-1,428,863.58

Finding the Fourth Proportional to 3,347,980.38, 5,022,616.95 and 1,428,863.58

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Solution

The fourth proportional to 3,347,980.38, 5,022,616.95 and 1,428,863.58 is: 2,143,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,980.38 : 5,022,616.95 = 1,428,863.58 : x
  2. Step 2: Convert to fraction form
    3,347,980.38/5,022,616.95 = 1,428,863.58/x
  3. Step 3: Cross multiply
    3,347,980.38x = 5,022,616.95 × 1,428,863.58
  4. Step 4: Simplify right side
    3,347,980.38x = 7,176,634,436,145.68
  5. Step 5: Solve for x
    x = 7,176,634,436,145.68/3,347,980.38
  6. Step 6: Final answer
    x = 2,143,571.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.