Home / 5,431,876.70-8,146,551.03-2,021,769.29

Finding the Fourth Proportional to 5,431,876.70, 8,146,551.03 and 2,021,769.29

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Solution

The fourth proportional to 5,431,876.70, 8,146,551.03 and 2,021,769.29 is: 3,032,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,876.70 : 8,146,551.03 = 2,021,769.29 : x
  2. Step 2: Convert to fraction form
    5,431,876.70/8,146,551.03 = 2,021,769.29/x
  3. Step 3: Cross multiply
    5,431,876.70x = 8,146,551.03 × 2,021,769.29
  4. Step 4: Simplify right side
    5,431,876.70x = 16,470,446,691,871.87
  5. Step 5: Solve for x
    x = 16,470,446,691,871.87/5,431,876.70
  6. Step 6: Final answer
    x = 3,032,183.46

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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.