Home / 3,946,356-5,445,976.14-2,135,520

Finding the Fourth Proportional to 3,946,356, 5,445,976.14 and 2,135,520

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Solution

The fourth proportional to 3,946,356, 5,445,976.14 and 2,135,520 is: 2,947,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,356 : 5,445,976.14 = 2,135,520 : x
  2. Step 2: Convert to fraction form
    3,946,356/5,445,976.14 = 2,135,520/x
  3. Step 3: Cross multiply
    3,946,356x = 5,445,976.14 × 2,135,520
  4. Step 4: Simplify right side
    3,946,356x = 11,629,990,966,492.80
  5. Step 5: Solve for x
    x = 11,629,990,966,492.80/3,946,356
  6. Step 6: Final answer
    x = 2,947,020.23

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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.