Finding the Fourth Proportional to 5,579,944.25, 7,701,163.49 and 3,405,750.84
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Solution
The fourth proportional to 5,579,944.25, 7,701,163.49 and 3,405,750.84 is: 4,700,449.12
Step by Step Solution
- Step 1: Write the proportion equation
5,579,944.25 : 7,701,163.49 = 3,405,750.84 : x - Step 2: Convert to fraction form
5,579,944.25/7,701,163.49 = 3,405,750.84/x - Step 3: Cross multiply
5,579,944.25x = 7,701,163.49 × 3,405,750.84 - Step 4: Simplify right side
5,579,944.25x = 26,228,244,008,016.08 - Step 5: Solve for x
x = 26,228,244,008,016.08/5,579,944.25 - Step 6: Final answer
x = 4,700,449.12
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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.