Home / 1,969,171.72-2,717,446.79-1,142,412.48

Finding the Fourth Proportional to 1,969,171.72, 2,717,446.79 and 1,142,412.48

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Solution

The fourth proportional to 1,969,171.72, 2,717,446.79 and 1,142,412.48 is: 1,576,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,171.72 : 2,717,446.79 = 1,142,412.48 : x
  2. Step 2: Convert to fraction form
    1,969,171.72/2,717,446.79 = 1,142,412.48/x
  3. Step 3: Cross multiply
    1,969,171.72x = 2,717,446.79 × 1,142,412.48
  4. Step 4: Simplify right side
    1,969,171.72x = 3,104,445,129,487.97
  5. Step 5: Solve for x
    x = 3,104,445,129,487.97/1,969,171.72
  6. Step 6: Final answer
    x = 1,576,523.32

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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.