Home / 3,851,751.42-5,315,416.56-2,132,872.16

Finding the Fourth Proportional to 3,851,751.42, 5,315,416.56 and 2,132,872.16

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Solution

The fourth proportional to 3,851,751.42, 5,315,416.56 and 2,132,872.16 is: 2,943,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,751.42 : 5,315,416.56 = 2,132,872.16 : x
  2. Step 2: Convert to fraction form
    3,851,751.42/5,315,416.56 = 2,132,872.16/x
  3. Step 3: Cross multiply
    3,851,751.42x = 5,315,416.56 × 2,132,872.16
  4. Step 4: Simplify right side
    3,851,751.42x = 11,337,103,973,049.88
  5. Step 5: Solve for x
    x = 11,337,103,973,049.88/3,851,751.42
  6. Step 6: Final answer
    x = 2,943,363.35

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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.