Home / 2,126,439.14-3,190,276.54-687,092.43

Finding the Fourth Proportional to 2,126,439.14, 3,190,276.54 and 687,092.43

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Solution

The fourth proportional to 2,126,439.14, 3,190,276.54 and 687,092.43 is: 1,030,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,439.14 : 3,190,276.54 = 687,092.43 : x
  2. Step 2: Convert to fraction form
    2,126,439.14/3,190,276.54 = 687,092.43/x
  3. Step 3: Cross multiply
    2,126,439.14x = 3,190,276.54 × 687,092.43
  4. Step 4: Simplify right side
    2,126,439.14x = 2,192,014,840,853.75
  5. Step 5: Solve for x
    x = 2,192,014,840,853.75/2,126,439.14
  6. Step 6: Final answer
    x = 1,030,838.27

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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.