Home / 1,977,046.96-2,964,989.14-839,800.12

Finding the Fourth Proportional to 1,977,046.96, 2,964,989.14 and 839,800.12

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Solution

The fourth proportional to 1,977,046.96, 2,964,989.14 and 839,800.12 is: 1,259,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,046.96 : 2,964,989.14 = 839,800.12 : x
  2. Step 2: Convert to fraction form
    1,977,046.96/2,964,989.14 = 839,800.12/x
  3. Step 3: Cross multiply
    1,977,046.96x = 2,964,989.14 × 839,800.12
  4. Step 4: Simplify right side
    1,977,046.96x = 2,489,998,235,570.70
  5. Step 5: Solve for x
    x = 2,489,998,235,570.70/1,977,046.96
  6. Step 6: Final answer
    x = 1,259,453.26

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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.