Home / 3,749,912.92-5,174,985.90-2,118,389.14

Finding the Fourth Proportional to 3,749,912.92, 5,174,985.90 and 2,118,389.14

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Solution

The fourth proportional to 3,749,912.92, 5,174,985.90 and 2,118,389.14 is: 2,923,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,912.92 : 5,174,985.90 = 2,118,389.14 : x
  2. Step 2: Convert to fraction form
    3,749,912.92/5,174,985.90 = 2,118,389.14/x
  3. Step 3: Cross multiply
    3,749,912.92x = 5,174,985.90 × 2,118,389.14
  4. Step 4: Simplify right side
    3,749,912.92x = 10,962,633,930,213.13
  5. Step 5: Solve for x
    x = 10,962,633,930,213.13/3,749,912.92
  6. Step 6: Final answer
    x = 2,923,436.93

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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.