Home / 5,556,942.57-8,330,622.75-2,147,621.48

Finding the Fourth Proportional to 5,556,942.57, 8,330,622.75 and 2,147,621.48

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Solution

The fourth proportional to 5,556,942.57, 8,330,622.75 and 2,147,621.48 is: 3,219,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556,942.57 : 8,330,622.75 = 2,147,621.48 : x
  2. Step 2: Convert to fraction form
    5,556,942.57/8,330,622.75 = 2,147,621.48/x
  3. Step 3: Cross multiply
    5,556,942.57x = 8,330,622.75 × 2,147,621.48
  4. Step 4: Simplify right side
    5,556,942.57x = 17,891,024,318,023.56
  5. Step 5: Solve for x
    x = 17,891,024,318,023.56/5,556,942.57
  6. Step 6: Final answer
    x = 3,219,580.57

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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.