Home / 2,107,128-2,906,910-1,235,517.80

Finding the Fourth Proportional to 2,107,128, 2,906,910 and 1,235,517.80

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Solution

The fourth proportional to 2,107,128, 2,906,910 and 1,235,517.80 is: 1,704,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,128 : 2,906,910 = 1,235,517.80 : x
  2. Step 2: Convert to fraction form
    2,107,128/2,906,910 = 1,235,517.80/x
  3. Step 3: Cross multiply
    2,107,128x = 2,906,910 × 1,235,517.80
  4. Step 4: Simplify right side
    2,107,128x = 3,591,539,047,998
  5. Step 5: Solve for x
    x = 3,591,539,047,998/2,107,128
  6. Step 6: Final answer
    x = 1,704,471.23

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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.