Home / 3,389,351.20-5,081,434.80-1,707,661.60

Finding the Fourth Proportional to 3,389,351.20, 5,081,434.80 and 1,707,661.60

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Solution

The fourth proportional to 3,389,351.20, 5,081,434.80 and 1,707,661.60 is: 2,560,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,351.20 : 5,081,434.80 = 1,707,661.60 : x
  2. Step 2: Convert to fraction form
    3,389,351.20/5,081,434.80 = 1,707,661.60/x
  3. Step 3: Cross multiply
    3,389,351.20x = 5,081,434.80 × 1,707,661.60
  4. Step 4: Simplify right side
    3,389,351.20x = 8,677,371,080,863.68
  5. Step 5: Solve for x
    x = 8,677,371,080,863.68/3,389,351.20
  6. Step 6: Final answer
    x = 2,560,186.47

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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.