Home / 2,255,342.77-3,112,371.21-1,222,884.77

Finding the Fourth Proportional to 2,255,342.77, 3,112,371.21 and 1,222,884.77

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Solution

The fourth proportional to 2,255,342.77, 3,112,371.21 and 1,222,884.77 is: 1,687,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,342.77 : 3,112,371.21 = 1,222,884.77 : x
  2. Step 2: Convert to fraction form
    2,255,342.77/3,112,371.21 = 1,222,884.77/x
  3. Step 3: Cross multiply
    2,255,342.77x = 3,112,371.21 × 1,222,884.77
  4. Step 4: Simplify right side
    2,255,342.77x = 3,806,071,359,076.40
  5. Step 5: Solve for x
    x = 3,806,071,359,076.40/2,255,342.77
  6. Step 6: Final answer
    x = 1,687,580.01

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Double scale
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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.