Home / 3,347,982.38-5,022,619.95-1,428,865.58

Finding the Fourth Proportional to 3,347,982.38, 5,022,619.95 and 1,428,865.58

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Solution

The fourth proportional to 3,347,982.38, 5,022,619.95 and 1,428,865.58 is: 2,143,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,982.38 : 5,022,619.95 = 1,428,865.58 : x
  2. Step 2: Convert to fraction form
    3,347,982.38/5,022,619.95 = 1,428,865.58/x
  3. Step 3: Cross multiply
    3,347,982.38x = 5,022,619.95 × 1,428,865.58
  4. Step 4: Simplify right side
    3,347,982.38x = 7,176,648,767,976.32
  5. Step 5: Solve for x
    x = 7,176,648,767,976.32/3,347,982.38
  6. Step 6: Final answer
    x = 2,143,574.23

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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.