Home / 2,728,307.09-4,091,334.64-931,335.50

Finding the Fourth Proportional to 2,728,307.09, 4,091,334.64 and 931,335.50

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Solution

The fourth proportional to 2,728,307.09, 4,091,334.64 and 931,335.50 is: 1,396,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,307.09 : 4,091,334.64 = 931,335.50 : x
  2. Step 2: Convert to fraction form
    2,728,307.09/4,091,334.64 = 931,335.50/x
  3. Step 3: Cross multiply
    2,728,307.09x = 4,091,334.64 × 931,335.50
  4. Step 4: Simplify right side
    2,728,307.09x = 3,810,405,192,611.72
  5. Step 5: Solve for x
    x = 3,810,405,192,611.72/2,728,307.09
  6. Step 6: Final answer
    x = 1,396,618.88

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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.