Home / 3,919,920.80-5,409,644.22-2,682,127.56

Finding the Fourth Proportional to 3,919,920.80, 5,409,644.22 and 2,682,127.56

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Solution

The fourth proportional to 3,919,920.80, 5,409,644.22 and 2,682,127.56 is: 3,701,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,920.80 : 5,409,644.22 = 2,682,127.56 : x
  2. Step 2: Convert to fraction form
    3,919,920.80/5,409,644.22 = 2,682,127.56/x
  3. Step 3: Cross multiply
    3,919,920.80x = 5,409,644.22 × 2,682,127.56
  4. Step 4: Simplify right side
    3,919,920.80x = 14,509,355,852,256.70
  5. Step 5: Solve for x
    x = 14,509,355,852,256.70/3,919,920.80
  6. Step 6: Final answer
    x = 3,701,441.08

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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.