Home / 2,811,051.64-4,216,563.42-681,136.12

Finding the Fourth Proportional to 2,811,051.64, 4,216,563.42 and 681,136.12

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Solution

The fourth proportional to 2,811,051.64, 4,216,563.42 and 681,136.12 is: 1,021,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,051.64 : 4,216,563.42 = 681,136.12 : x
  2. Step 2: Convert to fraction form
    2,811,051.64/4,216,563.42 = 681,136.12/x
  3. Step 3: Cross multiply
    2,811,051.64x = 4,216,563.42 × 681,136.12
  4. Step 4: Simplify right side
    2,811,051.64x = 2,872,053,647,632.73
  5. Step 5: Solve for x
    x = 2,872,053,647,632.73/2,811,051.64
  6. Step 6: Final answer
    x = 1,021,700.78

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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.