Home / 5,432,872.20-8,149,308.30-3,280,536.15

Finding the Fourth Proportional to 5,432,872.20, 8,149,308.30 and 3,280,536.15

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Solution

The fourth proportional to 5,432,872.20, 8,149,308.30 and 3,280,536.15 is: 4,920,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,872.20 : 8,149,308.30 = 3,280,536.15 : x
  2. Step 2: Convert to fraction form
    5,432,872.20/8,149,308.30 = 3,280,536.15/x
  3. Step 3: Cross multiply
    5,432,872.20x = 8,149,308.30 × 3,280,536.15
  4. Step 4: Simplify right side
    5,432,872.20x = 26,734,100,475,645.04
  5. Step 5: Solve for x
    x = 26,734,100,475,645.04/5,432,872.20
  6. Step 6: Final answer
    x = 4,920,804.23

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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.