Home / 5,205,974.20-7,810,127.70-2,010,815.80

Finding the Fourth Proportional to 5,205,974.20, 7,810,127.70 and 2,010,815.80

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Solution

The fourth proportional to 5,205,974.20, 7,810,127.70 and 2,010,815.80 is: 3,016,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,974.20 : 7,810,127.70 = 2,010,815.80 : x
  2. Step 2: Convert to fraction form
    5,205,974.20/7,810,127.70 = 2,010,815.80/x
  3. Step 3: Cross multiply
    5,205,974.20x = 7,810,127.70 × 2,010,815.80
  4. Step 4: Simplify right side
    5,205,974.20x = 15,704,728,179,177.66
  5. Step 5: Solve for x
    x = 15,704,728,179,177.66/5,205,974.20
  6. Step 6: Final answer
    x = 3,016,674.22

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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.