Home / 2,998,456.80-4,137,968.21-1,640,329.80

Finding the Fourth Proportional to 2,998,456.80, 4,137,968.21 and 1,640,329.80

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Solution

The fourth proportional to 2,998,456.80, 4,137,968.21 and 1,640,329.80 is: 2,263,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,456.80 : 4,137,968.21 = 1,640,329.80 : x
  2. Step 2: Convert to fraction form
    2,998,456.80/4,137,968.21 = 1,640,329.80/x
  3. Step 3: Cross multiply
    2,998,456.80x = 4,137,968.21 × 1,640,329.80
  4. Step 4: Simplify right side
    2,998,456.80x = 6,787,632,558,114.01
  5. Step 5: Solve for x
    x = 6,787,632,558,114.01/2,998,456.80
  6. Step 6: Final answer
    x = 2,263,708.64

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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.