Home / 3,559,972.96-4,912,786.27-1,928,380.31

Finding the Fourth Proportional to 3,559,972.96, 4,912,786.27 and 1,928,380.31

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Solution

The fourth proportional to 3,559,972.96, 4,912,786.27 and 1,928,380.31 is: 2,661,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,972.96 : 4,912,786.27 = 1,928,380.31 : x
  2. Step 2: Convert to fraction form
    3,559,972.96/4,912,786.27 = 1,928,380.31/x
  3. Step 3: Cross multiply
    3,559,972.96x = 4,912,786.27 × 1,928,380.31
  4. Step 4: Simplify right side
    3,559,972.96x = 9,473,720,285,742.41
  5. Step 5: Solve for x
    x = 9,473,720,285,742.41/3,559,972.96
  6. Step 6: Final answer
    x = 2,661,177.60

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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.