Home / 3,836,720.20-5,757,704.70-2,130,860.20

Finding the Fourth Proportional to 3,836,720.20, 5,757,704.70 and 2,130,860.20

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Solution

The fourth proportional to 3,836,720.20, 5,757,704.70 and 2,130,860.20 is: 3,197,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,720.20 : 5,757,704.70 = 2,130,860.20 : x
  2. Step 2: Convert to fraction form
    3,836,720.20/5,757,704.70 = 2,130,860.20/x
  3. Step 3: Cross multiply
    3,836,720.20x = 5,757,704.70 × 2,130,860.20
  4. Step 4: Simplify right side
    3,836,720.20x = 12,268,863,788,582.94
  5. Step 5: Solve for x
    x = 12,268,863,788,582.94/3,836,720.20
  6. Step 6: Final answer
    x = 3,197,747.85

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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.