Home / 2,171,380.96-2,996,522.32-1,191,313.44

Finding the Fourth Proportional to 2,171,380.96, 2,996,522.32 and 1,191,313.44

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Solution

The fourth proportional to 2,171,380.96, 2,996,522.32 and 1,191,313.44 is: 1,644,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,380.96 : 2,996,522.32 = 1,191,313.44 : x
  2. Step 2: Convert to fraction form
    2,171,380.96/2,996,522.32 = 1,191,313.44/x
  3. Step 3: Cross multiply
    2,171,380.96x = 2,996,522.32 × 1,191,313.44
  4. Step 4: Simplify right side
    2,171,380.96x = 3,569,797,313,075.98
  5. Step 5: Solve for x
    x = 3,569,797,313,075.98/2,171,380.96
  6. Step 6: Final answer
    x = 1,644,021.65

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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.