Home / 1,939,645.64-2,676,519.26-1,080,285.88

Finding the Fourth Proportional to 1,939,645.64, 2,676,519.26 and 1,080,285.88

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Solution

The fourth proportional to 1,939,645.64, 2,676,519.26 and 1,080,285.88 is: 1,490,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,645.64 : 2,676,519.26 = 1,080,285.88 : x
  2. Step 2: Convert to fraction form
    1,939,645.64/2,676,519.26 = 1,080,285.88/x
  3. Step 3: Cross multiply
    1,939,645.64x = 2,676,519.26 × 1,080,285.88
  4. Step 4: Simplify right side
    1,939,645.64x = 2,891,405,964,126.05
  5. Step 5: Solve for x
    x = 2,891,405,964,126.05/1,939,645.64
  6. Step 6: Final answer
    x = 1,490,687.73

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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.