Home / 3,442,241.40-5,162,670.90-1,645,121.40

Finding the Fourth Proportional to 3,442,241.40, 5,162,670.90 and 1,645,121.40

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Solution

The fourth proportional to 3,442,241.40, 5,162,670.90 and 1,645,121.40 is: 2,467,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,241.40 : 5,162,670.90 = 1,645,121.40 : x
  2. Step 2: Convert to fraction form
    3,442,241.40/5,162,670.90 = 1,645,121.40/x
  3. Step 3: Cross multiply
    3,442,241.40x = 5,162,670.90 × 1,645,121.40
  4. Step 4: Simplify right side
    3,442,241.40x = 8,493,220,378,747.26
  5. Step 5: Solve for x
    x = 8,493,220,378,747.26/3,442,241.40
  6. Step 6: Final answer
    x = 2,467,351.76

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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.