Home / 1,954,071.42-2,930,755.77-691,905.66

Finding the Fourth Proportional to 1,954,071.42, 2,930,755.77 and 691,905.66

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Solution

The fourth proportional to 1,954,071.42, 2,930,755.77 and 691,905.66 is: 1,037,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,071.42 : 2,930,755.77 = 691,905.66 : x
  2. Step 2: Convert to fraction form
    1,954,071.42/2,930,755.77 = 691,905.66/x
  3. Step 3: Cross multiply
    1,954,071.42x = 2,930,755.77 × 691,905.66
  4. Step 4: Simplify right side
    1,954,071.42x = 2,027,806,505,340.66
  5. Step 5: Solve for x
    x = 2,027,806,505,340.66/1,954,071.42
  6. Step 6: Final answer
    x = 1,037,734.08

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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.