Home / 1,977,043.36-2,964,983.70-839,796.52

Finding the Fourth Proportional to 1,977,043.36, 2,964,983.70 and 839,796.52

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Solution

The fourth proportional to 1,977,043.36, 2,964,983.70 and 839,796.52 is: 1,259,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,043.36 : 2,964,983.70 = 839,796.52 : x
  2. Step 2: Convert to fraction form
    1,977,043.36/2,964,983.70 = 839,796.52/x
  3. Step 3: Cross multiply
    1,977,043.36x = 2,964,983.70 × 839,796.52
  4. Step 4: Simplify right side
    1,977,043.36x = 2,489,982,993,116.72
  5. Step 5: Solve for x
    x = 2,489,982,993,116.72/1,977,043.36
  6. Step 6: Final answer
    x = 1,259,447.84

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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.