Home / 2,108,192.41-3,157,190.47-1,206,900.55

Finding the Fourth Proportional to 2,108,192.41, 3,157,190.47 and 1,206,900.55

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Solution

The fourth proportional to 2,108,192.41, 3,157,190.47 and 1,206,900.55 is: 1,807,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,192.41 : 3,157,190.47 = 1,206,900.55 : x
  2. Step 2: Convert to fraction form
    2,108,192.41/3,157,190.47 = 1,206,900.55/x
  3. Step 3: Cross multiply
    2,108,192.41x = 3,157,190.47 × 1,206,900.55
  4. Step 4: Simplify right side
    2,108,192.41x = 3,810,414,914,697.76
  5. Step 5: Solve for x
    x = 3,810,414,914,697.76/2,108,192.41
  6. Step 6: Final answer
    x = 1,807,432.23

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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.