Home / 3,855,414.80-5,320,503.24-2,136,563.84

Finding the Fourth Proportional to 3,855,414.80, 5,320,503.24 and 2,136,563.84

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Solution

The fourth proportional to 3,855,414.80, 5,320,503.24 and 2,136,563.84 is: 2,948,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,414.80 : 5,320,503.24 = 2,136,563.84 : x
  2. Step 2: Convert to fraction form
    3,855,414.80/5,320,503.24 = 2,136,563.84/x
  3. Step 3: Cross multiply
    3,855,414.80x = 5,320,503.24 × 2,136,563.84
  4. Step 4: Simplify right side
    3,855,414.80x = 11,367,594,833,186.84
  5. Step 5: Solve for x
    x = 11,367,594,833,186.84/3,855,414.80
  6. Step 6: Final answer
    x = 2,948,475.18

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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.