Home / 1,970,568.18-2,957,178.24-691,187.22

Finding the Fourth Proportional to 1,970,568.18, 2,957,178.24 and 691,187.22

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Solution

The fourth proportional to 1,970,568.18, 2,957,178.24 and 691,187.22 is: 1,037,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,568.18 : 2,957,178.24 = 691,187.22 : x
  2. Step 2: Convert to fraction form
    1,970,568.18/2,957,178.24 = 691,187.22/x
  3. Step 3: Cross multiply
    1,970,568.18x = 2,957,178.24 × 691,187.22
  4. Step 4: Simplify right side
    1,970,568.18x = 2,043,963,806,750.09
  5. Step 5: Solve for x
    x = 2,043,963,806,750.09/1,970,568.18
  6. Step 6: Final answer
    x = 1,037,245.92

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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.