Home / 2,811,583.10-3,879,989.94-1,571,193.42

Finding the Fourth Proportional to 2,811,583.10, 3,879,989.94 and 1,571,193.42

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Solution

The fourth proportional to 2,811,583.10, 3,879,989.94 and 1,571,193.42 is: 2,168,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,583.10 : 3,879,989.94 = 1,571,193.42 : x
  2. Step 2: Convert to fraction form
    2,811,583.10/3,879,989.94 = 1,571,193.42/x
  3. Step 3: Cross multiply
    2,811,583.10x = 3,879,989.94 × 1,571,193.42
  4. Step 4: Simplify right side
    2,811,583.10x = 6,096,214,654,736.21
  5. Step 5: Solve for x
    x = 6,096,214,654,736.21/2,811,583.10
  6. Step 6: Final answer
    x = 2,168,249.86

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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.