Home / 3,321,663.45-4,582,940.16-2,161,817.16

Finding the Fourth Proportional to 3,321,663.45, 4,582,940.16 and 2,161,817.16

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Solution

The fourth proportional to 3,321,663.45, 4,582,940.16 and 2,161,817.16 is: 2,982,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,663.45 : 4,582,940.16 = 2,161,817.16 : x
  2. Step 2: Convert to fraction form
    3,321,663.45/4,582,940.16 = 2,161,817.16/x
  3. Step 3: Cross multiply
    3,321,663.45x = 4,582,940.16 × 2,161,817.16
  4. Step 4: Simplify right side
    3,321,663.45x = 9,907,478,681,141.15
  5. Step 5: Solve for x
    x = 9,907,478,681,141.15/3,321,663.45
  6. Step 6: Final answer
    x = 2,982,685.88

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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.