Home / 3,131,122.60-4,695,203.40-1,212,932.26

Finding the Fourth Proportional to 3,131,122.60, 4,695,203.40 and 1,212,932.26

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Solution

The fourth proportional to 3,131,122.60, 4,695,203.40 and 1,212,932.26 is: 1,818,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,122.60 : 4,695,203.40 = 1,212,932.26 : x
  2. Step 2: Convert to fraction form
    3,131,122.60/4,695,203.40 = 1,212,932.26/x
  3. Step 3: Cross multiply
    3,131,122.60x = 4,695,203.40 × 1,212,932.26
  4. Step 4: Simplify right side
    3,131,122.60x = 5,694,963,671,121.69
  5. Step 5: Solve for x
    x = 5,694,963,671,121.69/3,131,122.60
  6. Step 6: Final answer
    x = 1,818,824.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.