Home / 1,970,506.92-2,957,086.92-691,126.32

Finding the Fourth Proportional to 1,970,506.92, 2,957,086.92 and 691,126.32

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Solution

The fourth proportional to 1,970,506.92, 2,957,086.92 and 691,126.32 is: 1,037,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,506.92 : 2,957,086.92 = 691,126.32 : x
  2. Step 2: Convert to fraction form
    1,970,506.92/2,957,086.92 = 691,126.32/x
  3. Step 3: Cross multiply
    1,970,506.92x = 2,957,086.92 × 691,126.32
  4. Step 4: Simplify right side
    1,970,506.92x = 2,043,720,600,939.73
  5. Step 5: Solve for x
    x = 2,043,720,600,939.73/1,970,506.92
  6. Step 6: Final answer
    x = 1,037,154.74

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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.