Home / 3,840,416.80-5,760,625.20-3,663,269.80

Finding the Fourth Proportional to 3,840,416.80, 5,760,625.20 and 3,663,269.80

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Solution

The fourth proportional to 3,840,416.80, 5,760,625.20 and 3,663,269.80 is: 5,494,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,416.80 : 5,760,625.20 = 3,663,269.80 : x
  2. Step 2: Convert to fraction form
    3,840,416.80/5,760,625.20 = 3,663,269.80/x
  3. Step 3: Cross multiply
    3,840,416.80x = 5,760,625.20 × 3,663,269.80
  4. Step 4: Simplify right side
    3,840,416.80x = 21,102,724,324,278.96
  5. Step 5: Solve for x
    x = 21,102,724,324,278.96/3,840,416.80
  6. Step 6: Final answer
    x = 5,494,904.70

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Similar ratio
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1.5x scale

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.