Home / 3,993,612.95-5,511,185.60-2,158,072.07

Finding the Fourth Proportional to 3,993,612.95, 5,511,185.60 and 2,158,072.07

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Solution

The fourth proportional to 3,993,612.95, 5,511,185.60 and 2,158,072.07 is: 2,978,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,612.95 : 5,511,185.60 = 2,158,072.07 : x
  2. Step 2: Convert to fraction form
    3,993,612.95/5,511,185.60 = 2,158,072.07/x
  3. Step 3: Cross multiply
    3,993,612.95x = 5,511,185.60 × 2,158,072.07
  4. Step 4: Simplify right side
    3,993,612.95x = 11,893,535,677,599.90
  5. Step 5: Solve for x
    x = 11,893,535,677,599.90/3,993,612.95
  6. Step 6: Final answer
    x = 2,978,139.30

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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.