Home / 3,991,593.70-5,508,401.55-2,156,051.98

Finding the Fourth Proportional to 3,991,593.70, 5,508,401.55 and 2,156,051.98

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Solution

The fourth proportional to 3,991,593.70, 5,508,401.55 and 2,156,051.98 is: 2,975,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,593.70 : 5,508,401.55 = 2,156,051.98 : x
  2. Step 2: Convert to fraction form
    3,991,593.70/5,508,401.55 = 2,156,051.98/x
  3. Step 3: Cross multiply
    3,991,593.70x = 5,508,401.55 × 2,156,051.98
  4. Step 4: Simplify right side
    3,991,593.70x = 11,876,400,068,512.57
  5. Step 5: Solve for x
    x = 11,876,400,068,512.57/3,991,593.70
  6. Step 6: Final answer
    x = 2,975,352.94

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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.