Home / 3,071,082.88-4,239,453.54-1,983,884.68

Finding the Fourth Proportional to 3,071,082.88, 4,239,453.54 and 1,983,884.68

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Solution

The fourth proportional to 3,071,082.88, 4,239,453.54 and 1,983,884.68 is: 2,738,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,082.88 : 4,239,453.54 = 1,983,884.68 : x
  2. Step 2: Convert to fraction form
    3,071,082.88/4,239,453.54 = 1,983,884.68/x
  3. Step 3: Cross multiply
    3,071,082.88x = 4,239,453.54 × 1,983,884.68
  4. Step 4: Simplify right side
    3,071,082.88x = 8,410,586,929,577.77
  5. Step 5: Solve for x
    x = 8,410,586,929,577.77/3,071,082.88
  6. Step 6: Final answer
    x = 2,738,638.86

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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.