Home / 3,783,221.57-5,220,971.78-2,064,436.40

Finding the Fourth Proportional to 3,783,221.57, 5,220,971.78 and 2,064,436.40

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Solution

The fourth proportional to 3,783,221.57, 5,220,971.78 and 2,064,436.40 is: 2,848,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,221.57 : 5,220,971.78 = 2,064,436.40 : x
  2. Step 2: Convert to fraction form
    3,783,221.57/5,220,971.78 = 2,064,436.40/x
  3. Step 3: Cross multiply
    3,783,221.57x = 5,220,971.78 × 2,064,436.40
  4. Step 4: Simplify right side
    3,783,221.57x = 10,778,364,188,735.04
  5. Step 5: Solve for x
    x = 10,778,364,188,735.04/3,783,221.57
  6. Step 6: Final answer
    x = 2,848,990.99

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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.