Home / 5,205,874.20-7,809,977.70-2,010,715.80

Finding the Fourth Proportional to 5,205,874.20, 7,809,977.70 and 2,010,715.80

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Solution

The fourth proportional to 5,205,874.20, 7,809,977.70 and 2,010,715.80 is: 3,016,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,874.20 : 7,809,977.70 = 2,010,715.80 : x
  2. Step 2: Convert to fraction form
    5,205,874.20/7,809,977.70 = 2,010,715.80/x
  3. Step 3: Cross multiply
    5,205,874.20x = 7,809,977.70 × 2,010,715.80
  4. Step 4: Simplify right side
    5,205,874.20x = 15,703,645,559,037.66
  5. Step 5: Solve for x
    x = 15,703,645,559,037.66/5,205,874.20
  6. Step 6: Final answer
    x = 3,016,524.21

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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.