Home / 2,198,386.49-3,292,707.47-1,689,199.43

Finding the Fourth Proportional to 2,198,386.49, 3,292,707.47 and 1,689,199.43

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Solution

The fourth proportional to 2,198,386.49, 3,292,707.47 and 1,689,199.43 is: 2,530,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,386.49 : 3,292,707.47 = 1,689,199.43 : x
  2. Step 2: Convert to fraction form
    2,198,386.49/3,292,707.47 = 1,689,199.43/x
  3. Step 3: Cross multiply
    2,198,386.49x = 3,292,707.47 × 1,689,199.43
  4. Step 4: Simplify right side
    2,198,386.49x = 5,562,039,556,571.21
  5. Step 5: Solve for x
    x = 5,562,039,556,571.21/2,198,386.49
  6. Step 6: Final answer
    x = 2,530,055.38

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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.