Home / 2,128,327.32-3,193,611.98-1,230,399.64

Finding the Fourth Proportional to 2,128,327.32, 3,193,611.98 and 1,230,399.64

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Solution

The fourth proportional to 2,128,327.32, 3,193,611.98 and 1,230,399.64 is: 1,846,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,327.32 : 3,193,611.98 = 1,230,399.64 : x
  2. Step 2: Convert to fraction form
    2,128,327.32/3,193,611.98 = 1,230,399.64/x
  3. Step 3: Cross multiply
    2,128,327.32x = 3,193,611.98 × 1,230,399.64
  4. Step 4: Simplify right side
    2,128,327.32x = 3,929,419,030,491.69
  5. Step 5: Solve for x
    x = 3,929,419,030,491.69/2,128,327.32
  6. Step 6: Final answer
    x = 1,846,247.52

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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.