Home / 2,200,921.20-3,301,381.80-1,256,137.20

Finding the Fourth Proportional to 2,200,921.20, 3,301,381.80 and 1,256,137.20

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Solution

The fourth proportional to 2,200,921.20, 3,301,381.80 and 1,256,137.20 is: 1,884,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,921.20 : 3,301,381.80 = 1,256,137.20 : x
  2. Step 2: Convert to fraction form
    2,200,921.20/3,301,381.80 = 1,256,137.20/x
  3. Step 3: Cross multiply
    2,200,921.20x = 3,301,381.80 × 1,256,137.20
  4. Step 4: Simplify right side
    2,200,921.20x = 4,146,988,490,382.96
  5. Step 5: Solve for x
    x = 4,146,988,490,382.96/2,200,921.20
  6. Step 6: Final answer
    x = 1,884,205.80

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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.