Home / 3,131,235.61-4,321,151.36-1,824,459.37

Finding the Fourth Proportional to 3,131,235.61, 4,321,151.36 and 1,824,459.37

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Solution

The fourth proportional to 3,131,235.61, 4,321,151.36 and 1,824,459.37 is: 2,517,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,235.61 : 4,321,151.36 = 1,824,459.37 : x
  2. Step 2: Convert to fraction form
    3,131,235.61/4,321,151.36 = 1,824,459.37/x
  3. Step 3: Cross multiply
    3,131,235.61x = 4,321,151.36 × 1,824,459.37
  4. Step 4: Simplify right side
    3,131,235.61x = 7,883,765,087,940.24
  5. Step 5: Solve for x
    x = 7,883,765,087,940.24/3,131,235.61
  6. Step 6: Final answer
    x = 2,517,780.86

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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.