Home / 3,856,365.90-5,784,932.49-1,428,168.96

Finding the Fourth Proportional to 3,856,365.90, 5,784,932.49 and 1,428,168.96

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Solution

The fourth proportional to 3,856,365.90, 5,784,932.49 and 1,428,168.96 is: 2,142,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,365.90 : 5,784,932.49 = 1,428,168.96 : x
  2. Step 2: Convert to fraction form
    3,856,365.90/5,784,932.49 = 1,428,168.96/x
  3. Step 3: Cross multiply
    3,856,365.90x = 5,784,932.49 × 1,428,168.96
  4. Step 4: Simplify right side
    3,856,365.90x = 8,261,861,017,913.51
  5. Step 5: Solve for x
    x = 8,261,861,017,913.51/3,856,365.90
  6. Step 6: Final answer
    x = 2,142,395.52

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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.