Home / 3,520,840.50-4,858,879.32-1,972,168.56

Finding the Fourth Proportional to 3,520,840.50, 4,858,879.32 and 1,972,168.56

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Solution

The fourth proportional to 3,520,840.50, 4,858,879.32 and 1,972,168.56 is: 2,721,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,840.50 : 4,858,879.32 = 1,972,168.56 : x
  2. Step 2: Convert to fraction form
    3,520,840.50/4,858,879.32 = 1,972,168.56/x
  3. Step 3: Cross multiply
    3,520,840.50x = 4,858,879.32 × 1,972,168.56
  4. Step 4: Simplify right side
    3,520,840.50x = 9,582,529,031,738.18
  5. Step 5: Solve for x
    x = 9,582,529,031,738.18/3,520,840.50
  6. Step 6: Final answer
    x = 2,721,659.51

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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.