Home / 2,255,220.09-3,112,383.38-1,275,365.46

Finding the Fourth Proportional to 2,255,220.09, 3,112,383.38 and 1,275,365.46

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Solution

The fourth proportional to 2,255,220.09, 3,112,383.38 and 1,275,365.46 is: 1,760,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,220.09 : 3,112,383.38 = 1,275,365.46 : x
  2. Step 2: Convert to fraction form
    2,255,220.09/3,112,383.38 = 1,275,365.46/x
  3. Step 3: Cross multiply
    2,255,220.09x = 3,112,383.38 × 1,275,365.46
  4. Step 4: Simplify right side
    2,255,220.09x = 3,969,426,254,753.23
  5. Step 5: Solve for x
    x = 3,969,426,254,753.23/2,255,220.09
  6. Step 6: Final answer
    x = 1,760,105.93

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1.5x scale

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.