Home / 2,190,939.08-3,023,440.09-1,224,076.64

Finding the Fourth Proportional to 2,190,939.08, 3,023,440.09 and 1,224,076.64

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Solution

The fourth proportional to 2,190,939.08, 3,023,440.09 and 1,224,076.64 is: 1,689,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,939.08 : 3,023,440.09 = 1,224,076.64 : x
  2. Step 2: Convert to fraction form
    2,190,939.08/3,023,440.09 = 1,224,076.64/x
  3. Step 3: Cross multiply
    2,190,939.08x = 3,023,440.09 × 1,224,076.64
  4. Step 4: Simplify right side
    2,190,939.08x = 3,700,922,368,431.11
  5. Step 5: Solve for x
    x = 3,700,922,368,431.11/2,190,939.08
  6. Step 6: Final answer
    x = 1,689,194.56

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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.