Home / 1,939,845.92-2,677,070.80-1,080,406.56

Finding the Fourth Proportional to 1,939,845.92, 2,677,070.80 and 1,080,406.56

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Solution

The fourth proportional to 1,939,845.92, 2,677,070.80 and 1,080,406.56 is: 1,491,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,845.92 : 2,677,070.80 = 1,080,406.56 : x
  2. Step 2: Convert to fraction form
    1,939,845.92/2,677,070.80 = 1,080,406.56/x
  3. Step 3: Cross multiply
    1,939,845.92x = 2,677,070.80 × 1,080,406.56
  4. Step 4: Simplify right side
    1,939,845.92x = 2,892,324,853,904.45
  5. Step 5: Solve for x
    x = 2,892,324,853,904.45/1,939,845.92
  6. Step 6: Final answer
    x = 1,491,007.52

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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.