Home / 5,198,837.60-7,790,883.60-3,840,399.20

Finding the Fourth Proportional to 5,198,837.60, 7,790,883.60 and 3,840,399.20

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Solution

The fourth proportional to 5,198,837.60, 7,790,883.60 and 3,840,399.20 is: 5,755,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,837.60 : 7,790,883.60 = 3,840,399.20 : x
  2. Step 2: Convert to fraction form
    5,198,837.60/7,790,883.60 = 3,840,399.20/x
  3. Step 3: Cross multiply
    5,198,837.60x = 7,790,883.60 × 3,840,399.20
  4. Step 4: Simplify right side
    5,198,837.60x = 29,920,103,144,733.12
  5. Step 5: Solve for x
    x = 29,920,103,144,733.12/5,198,837.60
  6. Step 6: Final answer
    x = 5,755,152.49

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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.