Home / 2,255,345.78-3,112,375.34-1,222,887.78

Finding the Fourth Proportional to 2,255,345.78, 3,112,375.34 and 1,222,887.78

Calculator

Solution

The fourth proportional to 2,255,345.78, 3,112,375.34 and 1,222,887.78 is: 1,687,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,345.78 : 3,112,375.34 = 1,222,887.78 : x
  2. Step 2: Convert to fraction form
    2,255,345.78/3,112,375.34 = 1,222,887.78/x
  3. Step 3: Cross multiply
    2,255,345.78x = 3,112,375.34 × 1,222,887.78
  4. Step 4: Simplify right side
    2,255,345.78x = 3,806,085,770,059.35
  5. Step 5: Solve for x
    x = 3,806,085,770,059.35/2,255,345.78
  6. Step 6: Final answer
    x = 1,687,584.14

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.