Home / 1,621,743.24-2,237,633.64-968,241.90

Finding the Fourth Proportional to 1,621,743.24, 2,237,633.64 and 968,241.90

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Solution

The fourth proportional to 1,621,743.24, 2,237,633.64 and 968,241.90 is: 1,335,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,743.24 : 2,237,633.64 = 968,241.90 : x
  2. Step 2: Convert to fraction form
    1,621,743.24/2,237,633.64 = 968,241.90/x
  3. Step 3: Cross multiply
    1,621,743.24x = 2,237,633.64 × 968,241.90
  4. Step 4: Simplify right side
    1,621,743.24x = 2,166,570,647,097.52
  5. Step 5: Solve for x
    x = 2,166,570,647,097.52/1,621,743.24
  6. Step 6: Final answer
    x = 1,335,951.71

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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.