Home / 2,168,583.03-2,992,721.78-1,308,975.39

Finding the Fourth Proportional to 2,168,583.03, 2,992,721.78 and 1,308,975.39

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Solution

The fourth proportional to 2,168,583.03, 2,992,721.78 and 1,308,975.39 is: 1,806,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,583.03 : 2,992,721.78 = 1,308,975.39 : x
  2. Step 2: Convert to fraction form
    2,168,583.03/2,992,721.78 = 1,308,975.39/x
  3. Step 3: Cross multiply
    2,168,583.03x = 2,992,721.78 × 1,308,975.39
  4. Step 4: Simplify right side
    2,168,583.03x = 3,917,399,162,409.43
  5. Step 5: Solve for x
    x = 3,917,399,162,409.43/2,168,583.03
  6. Step 6: Final answer
    x = 1,806,432.64

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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.