Home / 2,139,180.66-3,208,776.46-541,743.92

Finding the Fourth Proportional to 2,139,180.66, 3,208,776.46 and 541,743.92

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Solution

The fourth proportional to 2,139,180.66, 3,208,776.46 and 541,743.92 is: 812,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,180.66 : 3,208,776.46 = 541,743.92 : x
  2. Step 2: Convert to fraction form
    2,139,180.66/3,208,776.46 = 541,743.92/x
  3. Step 3: Cross multiply
    2,139,180.66x = 3,208,776.46 × 541,743.92
  4. Step 4: Simplify right side
    2,139,180.66x = 1,738,335,137,844.12
  5. Step 5: Solve for x
    x = 1,738,335,137,844.12/2,139,180.66
  6. Step 6: Final answer
    x = 812,617.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.