Home / 3,429,912.40-5,143,313.40-1,299,288.40

Finding the Fourth Proportional to 3,429,912.40, 5,143,313.40 and 1,299,288.40

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Solution

The fourth proportional to 3,429,912.40, 5,143,313.40 and 1,299,288.40 is: 1,948,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,912.40 : 5,143,313.40 = 1,299,288.40 : x
  2. Step 2: Convert to fraction form
    3,429,912.40/5,143,313.40 = 1,299,288.40/x
  3. Step 3: Cross multiply
    3,429,912.40x = 5,143,313.40 × 1,299,288.40
  4. Step 4: Simplify right side
    3,429,912.40x = 6,682,647,438,184.56
  5. Step 5: Solve for x
    x = 6,682,647,438,184.56/3,429,912.40
  6. Step 6: Final answer
    x = 1,948,343.47

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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.