Home / 2,245,174.45-3,369,890.81-1,389,658.25

Finding the Fourth Proportional to 2,245,174.45, 3,369,890.81 and 1,389,658.25

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Solution

The fourth proportional to 2,245,174.45, 3,369,890.81 and 1,389,658.25 is: 2,085,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,174.45 : 3,369,890.81 = 1,389,658.25 : x
  2. Step 2: Convert to fraction form
    2,245,174.45/3,369,890.81 = 1,389,658.25/x
  3. Step 3: Cross multiply
    2,245,174.45x = 3,369,890.81 × 1,389,658.25
  4. Step 4: Simplify right side
    2,245,174.45x = 4,682,996,577,614.56
  5. Step 5: Solve for x
    x = 4,682,996,577,614.56/2,245,174.45
  6. Step 6: Final answer
    x = 2,085,805.22

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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.