Home / 5,424,382.80-8,131,390.20-2,011,755.60

Finding the Fourth Proportional to 5,424,382.80, 8,131,390.20 and 2,011,755.60

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Solution

The fourth proportional to 5,424,382.80, 8,131,390.20 and 2,011,755.60 is: 3,015,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,382.80 : 8,131,390.20 = 2,011,755.60 : x
  2. Step 2: Convert to fraction form
    5,424,382.80/8,131,390.20 = 2,011,755.60/x
  3. Step 3: Cross multiply
    5,424,382.80x = 8,131,390.20 × 2,011,755.60
  4. Step 4: Simplify right side
    5,424,382.80x = 16,358,369,770,635.12
  5. Step 5: Solve for x
    x = 16,358,369,770,635.12/5,424,382.80
  6. Step 6: Final answer
    x = 3,015,710.80

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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.