Home / 4,676,965.20-7,015,447.80-3,135,786.30

Finding the Fourth Proportional to 4,676,965.20, 7,015,447.80 and 3,135,786.30

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Solution

The fourth proportional to 4,676,965.20, 7,015,447.80 and 3,135,786.30 is: 4,703,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676,965.20 : 7,015,447.80 = 3,135,786.30 : x
  2. Step 2: Convert to fraction form
    4,676,965.20/7,015,447.80 = 3,135,786.30/x
  3. Step 3: Cross multiply
    4,676,965.20x = 7,015,447.80 × 3,135,786.30
  4. Step 4: Simplify right side
    4,676,965.20x = 21,998,945,099,605.14
  5. Step 5: Solve for x
    x = 21,998,945,099,605.14/4,676,965.20
  6. Step 6: Final answer
    x = 4,703,679.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.