Home / 3,431,991.25-4,738,366.54-2,126,628.51

Finding the Fourth Proportional to 3,431,991.25, 4,738,366.54 and 2,126,628.51

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Solution

The fourth proportional to 3,431,991.25, 4,738,366.54 and 2,126,628.51 is: 2,936,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,991.25 : 4,738,366.54 = 2,126,628.51 : x
  2. Step 2: Convert to fraction form
    3,431,991.25/4,738,366.54 = 2,126,628.51/x
  3. Step 3: Cross multiply
    3,431,991.25x = 4,738,366.54 × 2,126,628.51
  4. Step 4: Simplify right side
    3,431,991.25x = 10,076,745,376,683.01
  5. Step 5: Solve for x
    x = 10,076,745,376,683.01/3,431,991.25
  6. Step 6: Final answer
    x = 2,936,122.11

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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.