Home / 2,545,445.09-3,512,640.26-1,442,978.73

Finding the Fourth Proportional to 2,545,445.09, 3,512,640.26 and 1,442,978.73

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Solution

The fourth proportional to 2,545,445.09, 3,512,640.26 and 1,442,978.73 is: 1,991,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,445.09 : 3,512,640.26 = 1,442,978.73 : x
  2. Step 2: Convert to fraction form
    2,545,445.09/3,512,640.26 = 1,442,978.73/x
  3. Step 3: Cross multiply
    2,545,445.09x = 3,512,640.26 × 1,442,978.73
  4. Step 4: Simplify right side
    2,545,445.09x = 5,068,665,184,929.12
  5. Step 5: Solve for x
    x = 5,068,665,184,929.12/2,545,445.09
  6. Step 6: Final answer
    x = 1,991,268.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.