Home / 3,213,415.28-4,434,512.72-1,836,788.42

Finding the Fourth Proportional to 3,213,415.28, 4,434,512.72 and 1,836,788.42

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Solution

The fourth proportional to 3,213,415.28, 4,434,512.72 and 1,836,788.42 is: 2,534,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,415.28 : 4,434,512.72 = 1,836,788.42 : x
  2. Step 2: Convert to fraction form
    3,213,415.28/4,434,512.72 = 1,836,788.42/x
  3. Step 3: Cross multiply
    3,213,415.28x = 4,434,512.72 × 1,836,788.42
  4. Step 4: Simplify right side
    3,213,415.28x = 8,145,261,581,082.20
  5. Step 5: Solve for x
    x = 8,145,261,581,082.20/3,213,415.28
  6. Step 6: Final answer
    x = 2,534,767.80

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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.