Home / 5,432,878.20-8,149,317.30-3,637,788.60

Finding the Fourth Proportional to 5,432,878.20, 8,149,317.30 and 3,637,788.60

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Solution

The fourth proportional to 5,432,878.20, 8,149,317.30 and 3,637,788.60 is: 5,456,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,878.20 : 8,149,317.30 = 3,637,788.60 : x
  2. Step 2: Convert to fraction form
    5,432,878.20/8,149,317.30 = 3,637,788.60/x
  3. Step 3: Cross multiply
    5,432,878.20x = 8,149,317.30 × 3,637,788.60
  4. Step 4: Simplify right side
    5,432,878.20x = 29,645,493,571,722.78
  5. Step 5: Solve for x
    x = 29,645,493,571,722.78/5,432,878.20
  6. Step 6: Final answer
    x = 5,456,682.90

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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.