Home / 3,991,589.22-5,508,395.32-2,156,047.49

Finding the Fourth Proportional to 3,991,589.22, 5,508,395.32 and 2,156,047.49

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Solution

The fourth proportional to 3,991,589.22, 5,508,395.32 and 2,156,047.49 is: 2,975,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,589.22 : 5,508,395.32 = 2,156,047.49 : x
  2. Step 2: Convert to fraction form
    3,991,589.22/5,508,395.32 = 2,156,047.49/x
  3. Step 3: Cross multiply
    3,991,589.22x = 5,508,395.32 × 2,156,047.49
  4. Step 4: Simplify right side
    3,991,589.22x = 11,876,361,903,613.75
  5. Step 5: Solve for x
    x = 11,876,361,903,613.75/3,991,589.22
  6. Step 6: Final answer
    x = 2,975,346.72

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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.