Home / 1,970,572.18-2,957,184.24-691,191.22

Finding the Fourth Proportional to 1,970,572.18, 2,957,184.24 and 691,191.22

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Solution

The fourth proportional to 1,970,572.18, 2,957,184.24 and 691,191.22 is: 1,037,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,572.18 : 2,957,184.24 = 691,191.22 : x
  2. Step 2: Convert to fraction form
    1,970,572.18/2,957,184.24 = 691,191.22/x
  3. Step 3: Cross multiply
    1,970,572.18x = 2,957,184.24 × 691,191.22
  4. Step 4: Simplify right side
    1,970,572.18x = 2,043,979,782,610.37
  5. Step 5: Solve for x
    x = 2,043,979,782,610.37/1,970,572.18
  6. Step 6: Final answer
    x = 1,037,251.92

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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.