Home / 2,059,172.52-3,084,738.30-978,146.78

Finding the Fourth Proportional to 2,059,172.52, 3,084,738.30 and 978,146.78

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Solution

The fourth proportional to 2,059,172.52, 3,084,738.30 and 978,146.78 is: 1,465,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,172.52 : 3,084,738.30 = 978,146.78 : x
  2. Step 2: Convert to fraction form
    2,059,172.52/3,084,738.30 = 978,146.78/x
  3. Step 3: Cross multiply
    2,059,172.52x = 3,084,738.30 × 978,146.78
  4. Step 4: Simplify right side
    2,059,172.52x = 3,017,326,819,863.98
  5. Step 5: Solve for x
    x = 3,017,326,819,863.98/2,059,172.52
  6. Step 6: Final answer
    x = 1,465,310.36

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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.