Home / 5,183,989.38-7,153,909.83-2,892,150.54

Finding the Fourth Proportional to 5,183,989.38, 7,153,909.83 and 2,892,150.54

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Solution

The fourth proportional to 5,183,989.38, 7,153,909.83 and 2,892,150.54 is: 3,991,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,989.38 : 7,153,909.83 = 2,892,150.54 : x
  2. Step 2: Convert to fraction form
    5,183,989.38/7,153,909.83 = 2,892,150.54/x
  3. Step 3: Cross multiply
    5,183,989.38x = 7,153,909.83 × 2,892,150.54
  4. Step 4: Simplify right side
    5,183,989.38x = 20,690,184,177,945.81
  5. Step 5: Solve for x
    x = 20,690,184,177,945.81/5,183,989.38
  6. Step 6: Final answer
    x = 3,991,170.25

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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.