Home / 5,381,989.42-7,428,945.15-3,207,214.54

Finding the Fourth Proportional to 5,381,989.42, 7,428,945.15 and 3,207,214.54

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Solution

The fourth proportional to 5,381,989.42, 7,428,945.15 and 3,207,214.54 is: 4,427,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,989.42 : 7,428,945.15 = 3,207,214.54 : x
  2. Step 2: Convert to fraction form
    5,381,989.42/7,428,945.15 = 3,207,214.54/x
  3. Step 3: Cross multiply
    5,381,989.42x = 7,428,945.15 × 3,207,214.54
  4. Step 4: Simplify right side
    5,381,989.42x = 23,826,220,901,942.48
  5. Step 5: Solve for x
    x = 23,826,220,901,942.48/5,381,989.42
  6. Step 6: Final answer
    x = 4,427,028.57

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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.