Home / 2,159,221.07-3,236,664.05-738,305.39

Finding the Fourth Proportional to 2,159,221.07, 3,236,664.05 and 738,305.39

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Solution

The fourth proportional to 2,159,221.07, 3,236,664.05 and 738,305.39 is: 1,106,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,221.07 : 3,236,664.05 = 738,305.39 : x
  2. Step 2: Convert to fraction form
    2,159,221.07/3,236,664.05 = 738,305.39/x
  3. Step 3: Cross multiply
    2,159,221.07x = 3,236,664.05 × 738,305.39
  4. Step 4: Simplify right side
    2,159,221.07x = 2,389,646,510,042.70
  5. Step 5: Solve for x
    x = 2,389,646,510,042.70/2,159,221.07
  6. Step 6: Final answer
    x = 1,106,716.93

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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.