Home / 3,985,608.27-5,979,361.02-1,289,933.49

Finding the Fourth Proportional to 3,985,608.27, 5,979,361.02 and 1,289,933.49

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Solution

The fourth proportional to 3,985,608.27, 5,979,361.02 and 1,289,933.49 is: 1,935,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,608.27 : 5,979,361.02 = 1,289,933.49 : x
  2. Step 2: Convert to fraction form
    3,985,608.27/5,979,361.02 = 1,289,933.49/x
  3. Step 3: Cross multiply
    3,985,608.27x = 5,979,361.02 × 1,289,933.49
  4. Step 4: Simplify right side
    3,985,608.27x = 7,712,978,028,498.56
  5. Step 5: Solve for x
    x = 7,712,978,028,498.56/3,985,608.27
  6. Step 6: Final answer
    x = 1,935,207.25

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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.