Home / 2,158,382.43-2,978,489.59-1,191,491.91

Finding the Fourth Proportional to 2,158,382.43, 2,978,489.59 and 1,191,491.91

Calculator

Solution

The fourth proportional to 2,158,382.43, 2,978,489.59 and 1,191,491.91 is: 1,644,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,382.43 : 2,978,489.59 = 1,191,491.91 : x
  2. Step 2: Convert to fraction form
    2,158,382.43/2,978,489.59 = 1,191,491.91/x
  3. Step 3: Cross multiply
    2,158,382.43x = 2,978,489.59 × 1,191,491.91
  4. Step 4: Simplify right side
    2,158,382.43x = 3,548,846,250,504.22
  5. Step 5: Solve for x
    x = 3,548,846,250,504.22/2,158,382.43
  6. Step 6: Final answer
    x = 1,644,215.69

Related Problems

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.