Home / 1,538,650.71-2,123,380.44-850,367.21

Finding the Fourth Proportional to 1,538,650.71, 2,123,380.44 and 850,367.21

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Solution

The fourth proportional to 1,538,650.71, 2,123,380.44 and 850,367.21 is: 1,173,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,650.71 : 2,123,380.44 = 850,367.21 : x
  2. Step 2: Convert to fraction form
    1,538,650.71/2,123,380.44 = 850,367.21/x
  3. Step 3: Cross multiply
    1,538,650.71x = 2,123,380.44 × 850,367.21
  4. Step 4: Simplify right side
    1,538,650.71x = 1,805,653,089,914.47
  5. Step 5: Solve for x
    x = 1,805,653,089,914.47/1,538,650.71
  6. Step 6: Final answer
    x = 1,173,530.21

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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.