Home / 2,230,707.83-3,078,395.26-1,212,112.58

Finding the Fourth Proportional to 2,230,707.83, 3,078,395.26 and 1,212,112.58

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Solution

The fourth proportional to 2,230,707.83, 3,078,395.26 and 1,212,112.58 is: 1,672,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,707.83 : 3,078,395.26 = 1,212,112.58 : x
  2. Step 2: Convert to fraction form
    2,230,707.83/3,078,395.26 = 1,212,112.58/x
  3. Step 3: Cross multiply
    2,230,707.83x = 3,078,395.26 × 1,212,112.58
  4. Step 4: Simplify right side
    2,230,707.83x = 3,731,361,620,858.37
  5. Step 5: Solve for x
    x = 3,731,361,620,858.37/2,230,707.83
  6. Step 6: Final answer
    x = 1,672,725.39

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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.