Home / 2,179,615.80-3,007,683.18-1,212,747.96

Finding the Fourth Proportional to 2,179,615.80, 3,007,683.18 and 1,212,747.96

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Solution

The fourth proportional to 2,179,615.80, 3,007,683.18 and 1,212,747.96 is: 1,673,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,615.80 : 3,007,683.18 = 1,212,747.96 : x
  2. Step 2: Convert to fraction form
    2,179,615.80/3,007,683.18 = 1,212,747.96/x
  3. Step 3: Cross multiply
    2,179,615.80x = 3,007,683.18 × 1,212,747.96
  4. Step 4: Simplify right side
    2,179,615.80x = 3,647,561,640,871.31
  5. Step 5: Solve for x
    x = 3,647,561,640,871.31/2,179,615.80
  6. Step 6: Final answer
    x = 1,673,488.35

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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.