Home / 3,108,640-4,659,847.04-1,212,773.12

Finding the Fourth Proportional to 3,108,640, 4,659,847.04 and 1,212,773.12

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Solution

The fourth proportional to 3,108,640, 4,659,847.04 and 1,212,773.12 is: 1,817,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,640 : 4,659,847.04 = 1,212,773.12 : x
  2. Step 2: Convert to fraction form
    3,108,640/4,659,847.04 = 1,212,773.12/x
  3. Step 3: Cross multiply
    3,108,640x = 4,659,847.04 × 1,212,773.12
  4. Step 4: Simplify right side
    3,108,640x = 5,651,337,233,423.57
  5. Step 5: Solve for x
    x = 5,651,337,233,423.57/3,108,640
  6. Step 6: Final answer
    x = 1,817,945.22

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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.