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Finding the Fourth Proportional to 2,161,052.02, 2,982,431.37 and 1,194,371.02

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Solution

The fourth proportional to 2,161,052.02, 2,982,431.37 and 1,194,371.02 is: 1,648,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,052.02 : 2,982,431.37 = 1,194,371.02 : x
  2. Step 2: Convert to fraction form
    2,161,052.02/2,982,431.37 = 1,194,371.02/x
  3. Step 3: Cross multiply
    2,161,052.02x = 2,982,431.37 × 1,194,371.02
  4. Step 4: Simplify right side
    2,161,052.02x = 3,562,129,597,466.90
  5. Step 5: Solve for x
    x = 3,562,129,597,466.90/2,161,052.02
  6. Step 6: Final answer
    x = 1,648,331.26

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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.