Home / 2,143,455.30-3,214,505.30-703,901.43

Finding the Fourth Proportional to 2,143,455.30, 3,214,505.30 and 703,901.43

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Solution

The fourth proportional to 2,143,455.30, 3,214,505.30 and 703,901.43 is: 1,055,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,455.30 : 3,214,505.30 = 703,901.43 : x
  2. Step 2: Convert to fraction form
    2,143,455.30/3,214,505.30 = 703,901.43/x
  3. Step 3: Cross multiply
    2,143,455.30x = 3,214,505.30 × 703,901.43
  4. Step 4: Simplify right side
    2,143,455.30x = 2,262,694,873,893.07
  5. Step 5: Solve for x
    x = 2,262,694,873,893.07/2,143,455.30
  6. Step 6: Final answer
    x = 1,055,629.61

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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.