Home / 3,230,498.88-4,458,028.80-1,780,328.64

Finding the Fourth Proportional to 3,230,498.88, 4,458,028.80 and 1,780,328.64

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Solution

The fourth proportional to 3,230,498.88, 4,458,028.80 and 1,780,328.64 is: 2,456,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,498.88 : 4,458,028.80 = 1,780,328.64 : x
  2. Step 2: Convert to fraction form
    3,230,498.88/4,458,028.80 = 1,780,328.64/x
  3. Step 3: Cross multiply
    3,230,498.88x = 4,458,028.80 × 1,780,328.64
  4. Step 4: Simplify right side
    3,230,498.88x = 7,936,756,350,584.83
  5. Step 5: Solve for x
    x = 7,936,756,350,584.83/3,230,498.88
  6. Step 6: Final answer
    x = 2,456,820.65

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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.