Home / 1,439,986.76-1,969,912.21-1,433,921.48

Finding the Fourth Proportional to 1,439,986.76, 1,969,912.21 and 1,433,921.48

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Solution

The fourth proportional to 1,439,986.76, 1,969,912.21 and 1,433,921.48 is: 1,961,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,986.76 : 1,969,912.21 = 1,433,921.48 : x
  2. Step 2: Convert to fraction form
    1,439,986.76/1,969,912.21 = 1,433,921.48/x
  3. Step 3: Cross multiply
    1,439,986.76x = 1,969,912.21 × 1,433,921.48
  4. Step 4: Simplify right side
    1,439,986.76x = 2,824,699,431,633.27
  5. Step 5: Solve for x
    x = 2,824,699,431,633.27/1,439,986.76
  6. Step 6: Final answer
    x = 1,961,614.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.