Home / 1,951,224.56-2,689,042.44-1,406,418.56

Finding the Fourth Proportional to 1,951,224.56, 2,689,042.44 and 1,406,418.56

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Solution

The fourth proportional to 1,951,224.56, 2,689,042.44 and 1,406,418.56 is: 1,938,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,224.56 : 2,689,042.44 = 1,406,418.56 : x
  2. Step 2: Convert to fraction form
    1,951,224.56/2,689,042.44 = 1,406,418.56/x
  3. Step 3: Cross multiply
    1,951,224.56x = 2,689,042.44 × 1,406,418.56
  4. Step 4: Simplify right side
    1,951,224.56x = 3,781,919,196,243.69
  5. Step 5: Solve for x
    x = 3,781,919,196,243.69/1,951,224.56
  6. Step 6: Final answer
    x = 1,938,228.57

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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.