Home / 3,963,455.28-5,469,596.28-2,152,619.28

Finding the Fourth Proportional to 3,963,455.28, 5,469,596.28 and 2,152,619.28

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Solution

The fourth proportional to 3,963,455.28, 5,469,596.28 and 2,152,619.28 is: 2,970,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,455.28 : 5,469,596.28 = 2,152,619.28 : x
  2. Step 2: Convert to fraction form
    3,963,455.28/5,469,596.28 = 2,152,619.28/x
  3. Step 3: Cross multiply
    3,963,455.28x = 5,469,596.28 × 2,152,619.28
  4. Step 4: Simplify right side
    3,963,455.28x = 11,773,958,406,144.28
  5. Step 5: Solve for x
    x = 11,773,958,406,144.28/3,963,455.28
  6. Step 6: Final answer
    x = 2,970,629.81

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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.