Home / 1,939,683.66-2,676,846.50-1,080,243.92

Finding the Fourth Proportional to 1,939,683.66, 2,676,846.50 and 1,080,243.92

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Solution

The fourth proportional to 1,939,683.66, 2,676,846.50 and 1,080,243.92 is: 1,490,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,683.66 : 2,676,846.50 = 1,080,243.92 : x
  2. Step 2: Convert to fraction form
    1,939,683.66/2,676,846.50 = 1,080,243.92/x
  3. Step 3: Cross multiply
    1,939,683.66x = 2,676,846.50 × 1,080,243.92
  4. Step 4: Simplify right side
    1,939,683.66x = 2,891,647,161,740.09
  5. Step 5: Solve for x
    x = 2,891,647,161,740.09/1,939,683.66
  6. Step 6: Final answer
    x = 1,490,782.87

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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.