Home / 2,782,982.20-3,842,357.70-2,137,243.72

Finding the Fourth Proportional to 2,782,982.20, 3,842,357.70 and 2,137,243.72

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Solution

The fourth proportional to 2,782,982.20, 3,842,357.70 and 2,137,243.72 is: 2,950,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,982.20 : 3,842,357.70 = 2,137,243.72 : x
  2. Step 2: Convert to fraction form
    2,782,982.20/3,842,357.70 = 2,137,243.72/x
  3. Step 3: Cross multiply
    2,782,982.20x = 3,842,357.70 × 2,137,243.72
  4. Step 4: Simplify right side
    2,782,982.20x = 8,212,054,864,318.65
  5. Step 5: Solve for x
    x = 8,212,054,864,318.65/2,782,982.20
  6. Step 6: Final answer
    x = 2,950,811.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.