Finding the Fourth Proportional to 5,978,208.08, 8,247,556.68 and 3,682,387.28
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Solution
The fourth proportional to 5,978,208.08, 8,247,556.68 and 3,682,387.28 is: 5,080,234.31
Step by Step Solution
- Step 1: Write the proportion equation
5,978,208.08 : 8,247,556.68 = 3,682,387.28 : x - Step 2: Convert to fraction form
5,978,208.08/8,247,556.68 = 3,682,387.28/x - Step 3: Cross multiply
5,978,208.08x = 8,247,556.68 × 3,682,387.28 - Step 4: Simplify right side
5,978,208.08x = 30,370,697,809,511.03 - Step 5: Solve for x
x = 30,370,697,809,511.03/5,978,208.08 - Step 6: Final answer
x = 5,080,234.31
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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.