Home / 3,830,738.44-5,286,455.22-2,111,920.48

Finding the Fourth Proportional to 3,830,738.44, 5,286,455.22 and 2,111,920.48

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Solution

The fourth proportional to 3,830,738.44, 5,286,455.22 and 2,111,920.48 is: 2,914,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,738.44 : 5,286,455.22 = 2,111,920.48 : x
  2. Step 2: Convert to fraction form
    3,830,738.44/5,286,455.22 = 2,111,920.48/x
  3. Step 3: Cross multiply
    3,830,738.44x = 5,286,455.22 × 2,111,920.48
  4. Step 4: Simplify right side
    3,830,738.44x = 11,164,573,045,720.90
  5. Step 5: Solve for x
    x = 11,164,573,045,720.90/3,830,738.44
  6. Step 6: Final answer
    x = 2,914,470.20

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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.