Home / 2,196,126.72-3,027,921.84-1,680,519.60

Finding the Fourth Proportional to 2,196,126.72, 3,027,921.84 and 1,680,519.60

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Solution

The fourth proportional to 2,196,126.72, 3,027,921.84 and 1,680,519.60 is: 2,317,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,126.72 : 3,027,921.84 = 1,680,519.60 : x
  2. Step 2: Convert to fraction form
    2,196,126.72/3,027,921.84 = 1,680,519.60/x
  3. Step 3: Cross multiply
    2,196,126.72x = 3,027,921.84 × 1,680,519.60
  4. Step 4: Simplify right side
    2,196,126.72x = 5,088,481,999,388.06
  5. Step 5: Solve for x
    x = 5,088,481,999,388.06/2,196,126.72
  6. Step 6: Final answer
    x = 2,317,025.68

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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.