Home / 5,767,142.72-7,958,315.04-3,188,621.12

Finding the Fourth Proportional to 5,767,142.72, 7,958,315.04 and 3,188,621.12

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Solution

The fourth proportional to 5,767,142.72, 7,958,315.04 and 3,188,621.12 is: 4,400,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767,142.72 : 7,958,315.04 = 3,188,621.12 : x
  2. Step 2: Convert to fraction form
    5,767,142.72/7,958,315.04 = 3,188,621.12/x
  3. Step 3: Cross multiply
    5,767,142.72x = 7,958,315.04 × 3,188,621.12
  4. Step 4: Simplify right side
    5,767,142.72x = 25,376,051,416,157.64
  5. Step 5: Solve for x
    x = 25,376,051,416,157.64/5,767,142.72
  6. Step 6: Final answer
    x = 4,400,108.10

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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.