Home / 3,147,516.87-4,343,573.43-1,789,389.87

Finding the Fourth Proportional to 3,147,516.87, 4,343,573.43 and 1,789,389.87

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Solution

The fourth proportional to 3,147,516.87, 4,343,573.43 and 1,789,389.87 is: 2,469,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,516.87 : 4,343,573.43 = 1,789,389.87 : x
  2. Step 2: Convert to fraction form
    3,147,516.87/4,343,573.43 = 1,789,389.87/x
  3. Step 3: Cross multiply
    3,147,516.87x = 4,343,573.43 × 1,789,389.87
  4. Step 4: Simplify right side
    3,147,516.87x = 7,772,346,295,243.15
  5. Step 5: Solve for x
    x = 7,772,346,295,243.15/3,147,516.87
  6. Step 6: Final answer
    x = 2,469,358.11

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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.