Home / 3,120,040.80-4,305,579.03-1,743,300

Finding the Fourth Proportional to 3,120,040.80, 4,305,579.03 and 1,743,300

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Solution

The fourth proportional to 3,120,040.80, 4,305,579.03 and 1,743,300 is: 2,405,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,040.80 : 4,305,579.03 = 1,743,300 : x
  2. Step 2: Convert to fraction form
    3,120,040.80/4,305,579.03 = 1,743,300/x
  3. Step 3: Cross multiply
    3,120,040.80x = 4,305,579.03 × 1,743,300
  4. Step 4: Simplify right side
    3,120,040.80x = 7,505,915,922,999
  5. Step 5: Solve for x
    x = 7,505,915,922,999/3,120,040.80
  6. Step 6: Final answer
    x = 2,405,710.82

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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.