Home / 1,898,544.01-2,619,997.63-1,027,378.61

Finding the Fourth Proportional to 1,898,544.01, 2,619,997.63 and 1,027,378.61

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Solution

The fourth proportional to 1,898,544.01, 2,619,997.63 and 1,027,378.61 is: 1,417,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,544.01 : 2,619,997.63 = 1,027,378.61 : x
  2. Step 2: Convert to fraction form
    1,898,544.01/2,619,997.63 = 1,027,378.61/x
  3. Step 3: Cross multiply
    1,898,544.01x = 2,619,997.63 × 1,027,378.61
  4. Step 4: Simplify right side
    1,898,544.01x = 2,691,729,518,175.80
  5. Step 5: Solve for x
    x = 2,691,729,518,175.80/1,898,544.01
  6. Step 6: Final answer
    x = 1,417,786.21

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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.