Home / 2,276,512.12-3,141,548.52-1,243,997.20

Finding the Fourth Proportional to 2,276,512.12, 3,141,548.52 and 1,243,997.20

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Solution

The fourth proportional to 2,276,512.12, 3,141,548.52 and 1,243,997.20 is: 1,716,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,512.12 : 3,141,548.52 = 1,243,997.20 : x
  2. Step 2: Convert to fraction form
    2,276,512.12/3,141,548.52 = 1,243,997.20/x
  3. Step 3: Cross multiply
    2,276,512.12x = 3,141,548.52 × 1,243,997.20
  4. Step 4: Simplify right side
    2,276,512.12x = 3,908,077,562,544.14
  5. Step 5: Solve for x
    x = 3,908,077,562,544.14/2,276,512.12
  6. Step 6: Final answer
    x = 1,716,695.26

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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.