Home / 4,991,669.11-7,467,803.20-3,780,734.05

Finding the Fourth Proportional to 4,991,669.11, 7,467,803.20 and 3,780,734.05

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Solution

The fourth proportional to 4,991,669.11, 7,467,803.20 and 3,780,734.05 is: 5,656,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,669.11 : 7,467,803.20 = 3,780,734.05 : x
  2. Step 2: Convert to fraction form
    4,991,669.11/7,467,803.20 = 3,780,734.05/x
  3. Step 3: Cross multiply
    4,991,669.11x = 7,467,803.20 × 3,780,734.05
  4. Step 4: Simplify right side
    4,991,669.11x = 28,233,777,836,938.96
  5. Step 5: Solve for x
    x = 28,233,777,836,938.96/4,991,669.11
  6. Step 6: Final answer
    x = 5,656,179.77

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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.