Home / 2,821,188.06-3,895,896.63-1,964,091.90

Finding the Fourth Proportional to 2,821,188.06, 3,895,896.63 and 1,964,091.90

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Solution

The fourth proportional to 2,821,188.06, 3,895,896.63 and 1,964,091.90 is: 2,712,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,188.06 : 3,895,896.63 = 1,964,091.90 : x
  2. Step 2: Convert to fraction form
    2,821,188.06/3,895,896.63 = 1,964,091.90/x
  3. Step 3: Cross multiply
    2,821,188.06x = 3,895,896.63 × 1,964,091.90
  4. Step 4: Simplify right side
    2,821,188.06x = 7,651,899,014,220.30
  5. Step 5: Solve for x
    x = 7,651,899,014,220.30/2,821,188.06
  6. Step 6: Final answer
    x = 2,712,296.68

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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.