Home / 2,214,293.76-3,055,093.20-1,247,085.72

Finding the Fourth Proportional to 2,214,293.76, 3,055,093.20 and 1,247,085.72

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Solution

The fourth proportional to 2,214,293.76, 3,055,093.20 and 1,247,085.72 is: 1,720,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,293.76 : 3,055,093.20 = 1,247,085.72 : x
  2. Step 2: Convert to fraction form
    2,214,293.76/3,055,093.20 = 1,247,085.72/x
  3. Step 3: Cross multiply
    2,214,293.76x = 3,055,093.20 × 1,247,085.72
  4. Step 4: Simplify right side
    2,214,293.76x = 3,809,963,102,989.10
  5. Step 5: Solve for x
    x = 3,809,963,102,989.10/2,214,293.76
  6. Step 6: Final answer
    x = 1,720,622.25

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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.