Home / 5,112,847.20-7,058,285.88-3,179,730.48

Finding the Fourth Proportional to 5,112,847.20, 7,058,285.88 and 3,179,730.48

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Solution

The fourth proportional to 5,112,847.20, 7,058,285.88 and 3,179,730.48 is: 4,389,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,847.20 : 7,058,285.88 = 3,179,730.48 : x
  2. Step 2: Convert to fraction form
    5,112,847.20/7,058,285.88 = 3,179,730.48/x
  3. Step 3: Cross multiply
    5,112,847.20x = 7,058,285.88 × 3,179,730.48
  4. Step 4: Simplify right side
    5,112,847.20x = 22,443,446,749,189.62
  5. Step 5: Solve for x
    x = 22,443,446,749,189.62/5,112,847.20
  6. Step 6: Final answer
    x = 4,389,618.13

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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.