Home / 3,851,784-5,315,396.46-2,132,867.58

Finding the Fourth Proportional to 3,851,784, 5,315,396.46 and 2,132,867.58

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Solution

The fourth proportional to 3,851,784, 5,315,396.46 and 2,132,867.58 is: 2,943,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,784 : 5,315,396.46 = 2,132,867.58 : x
  2. Step 2: Convert to fraction form
    3,851,784/5,315,396.46 = 2,132,867.58/x
  3. Step 3: Cross multiply
    3,851,784x = 5,315,396.46 × 2,132,867.58
  4. Step 4: Simplify right side
    3,851,784x = 11,337,036,784,380.77
  5. Step 5: Solve for x
    x = 11,337,036,784,380.77/3,851,784
  6. Step 6: Final answer
    x = 2,943,321.01

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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.