Home / 1,942,654.23-2,680,796.61-1,071,523.44

Finding the Fourth Proportional to 1,942,654.23, 2,680,796.61 and 1,071,523.44

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Solution

The fourth proportional to 1,942,654.23, 2,680,796.61 and 1,071,523.44 is: 1,478,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,654.23 : 2,680,796.61 = 1,071,523.44 : x
  2. Step 2: Convert to fraction form
    1,942,654.23/2,680,796.61 = 1,071,523.44/x
  3. Step 3: Cross multiply
    1,942,654.23x = 2,680,796.61 × 1,071,523.44
  4. Step 4: Simplify right side
    1,942,654.23x = 2,872,536,405,487.54
  5. Step 5: Solve for x
    x = 2,872,536,405,487.54/1,942,654.23
  6. Step 6: Final answer
    x = 1,478,665.82

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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.