Home / 5,522,217.60-8,278,401.60-2,155,641.60

Finding the Fourth Proportional to 5,522,217.60, 8,278,401.60 and 2,155,641.60

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Solution

The fourth proportional to 5,522,217.60, 8,278,401.60 and 2,155,641.60 is: 3,231,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522,217.60 : 8,278,401.60 = 2,155,641.60 : x
  2. Step 2: Convert to fraction form
    5,522,217.60/8,278,401.60 = 2,155,641.60/x
  3. Step 3: Cross multiply
    5,522,217.60x = 8,278,401.60 × 2,155,641.60
  4. Step 4: Simplify right side
    5,522,217.60x = 17,845,266,870,466.56
  5. Step 5: Solve for x
    x = 17,845,266,870,466.56/5,522,217.60
  6. Step 6: Final answer
    x = 3,231,539.97

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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.