Home / 1,906,328.31-2,858,620.29-1,138,174.64

Finding the Fourth Proportional to 1,906,328.31, 2,858,620.29 and 1,138,174.64

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Solution

The fourth proportional to 1,906,328.31, 2,858,620.29 and 1,138,174.64 is: 1,706,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,328.31 : 2,858,620.29 = 1,138,174.64 : x
  2. Step 2: Convert to fraction form
    1,906,328.31/2,858,620.29 = 1,138,174.64/x
  3. Step 3: Cross multiply
    1,906,328.31x = 2,858,620.29 × 1,138,174.64
  4. Step 4: Simplify right side
    1,906,328.31x = 3,253,609,105,174.34
  5. Step 5: Solve for x
    x = 3,253,609,105,174.34/1,906,328.31
  6. Step 6: Final answer
    x = 1,706,741.22

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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.