Home / 2,861,174.62-3,948,191.91-1,637,199.58

Finding the Fourth Proportional to 2,861,174.62, 3,948,191.91 and 1,637,199.58

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Solution

The fourth proportional to 2,861,174.62, 3,948,191.91 and 1,637,199.58 is: 2,259,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,174.62 : 3,948,191.91 = 1,637,199.58 : x
  2. Step 2: Convert to fraction form
    2,861,174.62/3,948,191.91 = 1,637,199.58/x
  3. Step 3: Cross multiply
    2,861,174.62x = 3,948,191.91 × 1,637,199.58
  4. Step 4: Simplify right side
    2,861,174.62x = 6,463,978,136,811.40
  5. Step 5: Solve for x
    x = 6,463,978,136,811.40/2,861,174.62
  6. Step 6: Final answer
    x = 2,259,204.35

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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.