Home / 3,896,089.02-5,845,079.45-1,200,414.12

Finding the Fourth Proportional to 3,896,089.02, 5,845,079.45 and 1,200,414.12

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Solution

The fourth proportional to 3,896,089.02, 5,845,079.45 and 1,200,414.12 is: 1,800,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,089.02 : 5,845,079.45 = 1,200,414.12 : x
  2. Step 2: Convert to fraction form
    3,896,089.02/5,845,079.45 = 1,200,414.12/x
  3. Step 3: Cross multiply
    3,896,089.02x = 5,845,079.45 × 1,200,414.12
  4. Step 4: Simplify right side
    3,896,089.02x = 7,016,515,924,720.37
  5. Step 5: Solve for x
    x = 7,016,515,924,720.37/3,896,089.02
  6. Step 6: Final answer
    x = 1,800,912.63

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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.