Home / 3,324,953.45-4,987,640.14-1,405,506.74

Finding the Fourth Proportional to 3,324,953.45, 4,987,640.14 and 1,405,506.74

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Solution

The fourth proportional to 3,324,953.45, 4,987,640.14 and 1,405,506.74 is: 2,108,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,953.45 : 4,987,640.14 = 1,405,506.74 : x
  2. Step 2: Convert to fraction form
    3,324,953.45/4,987,640.14 = 1,405,506.74/x
  3. Step 3: Cross multiply
    3,324,953.45x = 4,987,640.14 × 1,405,506.74
  4. Step 4: Simplify right side
    3,324,953.45x = 7,010,161,805,012.58
  5. Step 5: Solve for x
    x = 7,010,161,805,012.58/3,324,953.45
  6. Step 6: Final answer
    x = 2,108,348.86

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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.