Home / 4,345,136.20-6,518,481.90-1,821,046.60

Finding the Fourth Proportional to 4,345,136.20, 6,518,481.90 and 1,821,046.60

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Solution

The fourth proportional to 4,345,136.20, 6,518,481.90 and 1,821,046.60 is: 2,731,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,136.20 : 6,518,481.90 = 1,821,046.60 : x
  2. Step 2: Convert to fraction form
    4,345,136.20/6,518,481.90 = 1,821,046.60/x
  3. Step 3: Cross multiply
    4,345,136.20x = 6,518,481.90 × 1,821,046.60
  4. Step 4: Simplify right side
    4,345,136.20x = 11,870,459,301,156.54
  5. Step 5: Solve for x
    x = 11,870,459,301,156.54/4,345,136.20
  6. Step 6: Final answer
    x = 2,731,895.79

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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.