Home / 2,130,608.91-2,940,222.78-1,163,739.86

Finding the Fourth Proportional to 2,130,608.91, 2,940,222.78 and 1,163,739.86

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Solution

The fourth proportional to 2,130,608.91, 2,940,222.78 and 1,163,739.86 is: 1,605,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,608.91 : 2,940,222.78 = 1,163,739.86 : x
  2. Step 2: Convert to fraction form
    2,130,608.91/2,940,222.78 = 1,163,739.86/x
  3. Step 3: Cross multiply
    2,130,608.91x = 2,940,222.78 × 1,163,739.86
  4. Step 4: Simplify right side
    2,130,608.91x = 3,421,654,431,664.90
  5. Step 5: Solve for x
    x = 3,421,654,431,664.90/2,130,608.91
  6. Step 6: Final answer
    x = 1,605,951.43

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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.