Home / 5,180,272.75-7,151,579.19-3,115,749.19

Finding the Fourth Proportional to 5,180,272.75, 7,151,579.19 and 3,115,749.19

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Solution

The fourth proportional to 5,180,272.75, 7,151,579.19 and 3,115,749.19 is: 4,301,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,272.75 : 7,151,579.19 = 3,115,749.19 : x
  2. Step 2: Convert to fraction form
    5,180,272.75/7,151,579.19 = 3,115,749.19/x
  3. Step 3: Cross multiply
    5,180,272.75x = 7,151,579.19 × 3,115,749.19
  4. Step 4: Simplify right side
    5,180,272.75x = 22,282,527,059,611.94
  5. Step 5: Solve for x
    x = 22,282,527,059,611.94/5,180,272.75
  6. Step 6: Final answer
    x = 4,301,419.66

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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.