Home / 3,265,872.21-4,507,057.35-1,815,591.78

Finding the Fourth Proportional to 3,265,872.21, 4,507,057.35 and 1,815,591.78

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Solution

The fourth proportional to 3,265,872.21, 4,507,057.35 and 1,815,591.78 is: 2,505,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265,872.21 : 4,507,057.35 = 1,815,591.78 : x
  2. Step 2: Convert to fraction form
    3,265,872.21/4,507,057.35 = 1,815,591.78/x
  3. Step 3: Cross multiply
    3,265,872.21x = 4,507,057.35 × 1,815,591.78
  4. Step 4: Simplify right side
    3,265,872.21x = 8,182,976,276,648.58
  5. Step 5: Solve for x
    x = 8,182,976,276,648.58/3,265,872.21
  6. Step 6: Final answer
    x = 2,505,602.10

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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.