Home / 1,939,684.11-2,676,847.13-1,080,244.37

Finding the Fourth Proportional to 1,939,684.11, 2,676,847.13 and 1,080,244.37

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Solution

The fourth proportional to 1,939,684.11, 2,676,847.13 and 1,080,244.37 is: 1,490,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,684.11 : 2,676,847.13 = 1,080,244.37 : x
  2. Step 2: Convert to fraction form
    1,939,684.11/2,676,847.13 = 1,080,244.37/x
  3. Step 3: Cross multiply
    1,939,684.11x = 2,676,847.13 × 1,080,244.37
  4. Step 4: Simplify right side
    1,939,684.11x = 2,891,649,022,747.70
  5. Step 5: Solve for x
    x = 2,891,649,022,747.70/1,939,684.11
  6. Step 6: Final answer
    x = 1,490,783.48

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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.