Home / 2,230,707.71-3,078,395.09-1,212,112.46

Finding the Fourth Proportional to 2,230,707.71, 3,078,395.09 and 1,212,112.46

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Solution

The fourth proportional to 2,230,707.71, 3,078,395.09 and 1,212,112.46 is: 1,672,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,707.71 : 3,078,395.09 = 1,212,112.46 : x
  2. Step 2: Convert to fraction form
    2,230,707.71/3,078,395.09 = 1,212,112.46/x
  3. Step 3: Cross multiply
    2,230,707.71x = 3,078,395.09 × 1,212,112.46
  4. Step 4: Simplify right side
    2,230,707.71x = 3,731,361,056,118.09
  5. Step 5: Solve for x
    x = 3,731,361,056,118.09/2,230,707.71
  6. Step 6: Final answer
    x = 1,672,725.22

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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.