Home / 2,645,991.40-3,964,904.70-1,968,896.20

Finding the Fourth Proportional to 2,645,991.40, 3,964,904.70 and 1,968,896.20

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Solution

The fourth proportional to 2,645,991.40, 3,964,904.70 and 1,968,896.20 is: 2,950,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,991.40 : 3,964,904.70 = 1,968,896.20 : x
  2. Step 2: Convert to fraction form
    2,645,991.40/3,964,904.70 = 1,968,896.20/x
  3. Step 3: Cross multiply
    2,645,991.40x = 3,964,904.70 × 1,968,896.20
  4. Step 4: Simplify right side
    2,645,991.40x = 7,806,485,797,192.14
  5. Step 5: Solve for x
    x = 7,806,485,797,192.14/2,645,991.40
  6. Step 6: Final answer
    x = 2,950,306.56

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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.