Home / 2,186,161.56-3,279,340.80-669,734.28

Finding the Fourth Proportional to 2,186,161.56, 3,279,340.80 and 669,734.28

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Solution

The fourth proportional to 2,186,161.56, 3,279,340.80 and 669,734.28 is: 1,004,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,161.56 : 3,279,340.80 = 669,734.28 : x
  2. Step 2: Convert to fraction form
    2,186,161.56/3,279,340.80 = 669,734.28/x
  3. Step 3: Cross multiply
    2,186,161.56x = 3,279,340.80 × 669,734.28
  4. Step 4: Simplify right side
    2,186,161.56x = 2,196,286,949,562.62
  5. Step 5: Solve for x
    x = 2,196,286,949,562.62/2,186,161.56
  6. Step 6: Final answer
    x = 1,004,631.58

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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.