Home / 2,177,566.64-3,005,043-1,259,920.88

Finding the Fourth Proportional to 2,177,566.64, 3,005,043 and 1,259,920.88

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Solution

The fourth proportional to 2,177,566.64, 3,005,043 and 1,259,920.88 is: 1,738,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,566.64 : 3,005,043 = 1,259,920.88 : x
  2. Step 2: Convert to fraction form
    2,177,566.64/3,005,043 = 1,259,920.88/x
  3. Step 3: Cross multiply
    2,177,566.64x = 3,005,043 × 1,259,920.88
  4. Step 4: Simplify right side
    2,177,566.64x = 3,786,116,420,997.84
  5. Step 5: Solve for x
    x = 3,786,116,420,997.84/2,177,566.64
  6. Step 6: Final answer
    x = 1,738,691.41

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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.