Home / 2,321,344.07-3,203,554.84-1,288,851.89

Finding the Fourth Proportional to 2,321,344.07, 3,203,554.84 and 1,288,851.89

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Solution

The fourth proportional to 2,321,344.07, 3,203,554.84 and 1,288,851.89 is: 1,778,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,344.07 : 3,203,554.84 = 1,288,851.89 : x
  2. Step 2: Convert to fraction form
    2,321,344.07/3,203,554.84 = 1,288,851.89/x
  3. Step 3: Cross multiply
    2,321,344.07x = 3,203,554.84 × 1,288,851.89
  4. Step 4: Simplify right side
    2,321,344.07x = 4,128,907,715,039.41
  5. Step 5: Solve for x
    x = 4,128,907,715,039.41/2,321,344.07
  6. Step 6: Final answer
    x = 1,778,671.15

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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.