Home / 5,347,012.92-7,378,879.52-2,899,623.24

Finding the Fourth Proportional to 5,347,012.92, 7,378,879.52 and 2,899,623.24

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Solution

The fourth proportional to 5,347,012.92, 7,378,879.52 and 2,899,623.24 is: 4,001,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,012.92 : 7,378,879.52 = 2,899,623.24 : x
  2. Step 2: Convert to fraction form
    5,347,012.92/7,378,879.52 = 2,899,623.24/x
  3. Step 3: Cross multiply
    5,347,012.92x = 7,378,879.52 × 2,899,623.24
  4. Step 4: Simplify right side
    5,347,012.92x = 21,395,970,541,352.05
  5. Step 5: Solve for x
    x = 21,395,970,541,352.05/5,347,012.92
  6. Step 6: Final answer
    x = 4,001,480.99

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1.5x scale

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.