Home / 4,800,549.79-7,200,020.64-1,605,665.37

Finding the Fourth Proportional to 4,800,549.79, 7,200,020.64 and 1,605,665.37

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Solution

The fourth proportional to 4,800,549.79, 7,200,020.64 and 1,605,665.37 is: 2,408,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,549.79 : 7,200,020.64 = 1,605,665.37 : x
  2. Step 2: Convert to fraction form
    4,800,549.79/7,200,020.64 = 1,605,665.37/x
  3. Step 3: Cross multiply
    4,800,549.79x = 7,200,020.64 × 1,605,665.37
  4. Step 4: Simplify right side
    4,800,549.79x = 11,560,823,804,933.24
  5. Step 5: Solve for x
    x = 11,560,823,804,933.24/4,800,549.79
  6. Step 6: Final answer
    x = 2,408,229.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.