Home / 3,174,239.40-4,381,147.80-2,086,611.42

Finding the Fourth Proportional to 3,174,239.40, 4,381,147.80 and 2,086,611.42

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Solution

The fourth proportional to 3,174,239.40, 4,381,147.80 and 2,086,611.42 is: 2,879,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,239.40 : 4,381,147.80 = 2,086,611.42 : x
  2. Step 2: Convert to fraction form
    3,174,239.40/4,381,147.80 = 2,086,611.42/x
  3. Step 3: Cross multiply
    3,174,239.40x = 4,381,147.80 × 2,086,611.42
  4. Step 4: Simplify right side
    3,174,239.40x = 9,141,753,032,187.88
  5. Step 5: Solve for x
    x = 9,141,753,032,187.88/3,174,239.40
  6. Step 6: Final answer
    x = 2,879,982.22

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1.5x scale

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.