Home / 3,104,976.50-4,284,915.96-1,728,335.33

Finding the Fourth Proportional to 3,104,976.50, 4,284,915.96 and 1,728,335.33

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Solution

The fourth proportional to 3,104,976.50, 4,284,915.96 and 1,728,335.33 is: 2,385,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104,976.50 : 4,284,915.96 = 1,728,335.33 : x
  2. Step 2: Convert to fraction form
    3,104,976.50/4,284,915.96 = 1,728,335.33/x
  3. Step 3: Cross multiply
    3,104,976.50x = 4,284,915.96 × 1,728,335.33
  4. Step 4: Simplify right side
    3,104,976.50x = 7,405,771,639,748.87
  5. Step 5: Solve for x
    x = 7,405,771,639,748.87/3,104,976.50
  6. Step 6: Final answer
    x = 2,385,129.69

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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.