Finding the Fourth Proportional to 3,853,727.08, 5,318,163.66 and 2,177,317.72
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Solution
The fourth proportional to 3,853,727.08, 5,318,163.66 and 2,177,317.72 is: 3,004,709.92
Step by Step Solution
- Step 1: Write the proportion equation
3,853,727.08 : 5,318,163.66 = 2,177,317.72 : x - Step 2: Convert to fraction form
3,853,727.08/5,318,163.66 = 2,177,317.72/x - Step 3: Cross multiply
3,853,727.08x = 5,318,163.66 × 2,177,317.72 - Step 4: Simplify right side
3,853,727.08x = 11,579,331,974,778.06 - Step 5: Solve for x
x = 11,579,331,974,778.06/3,853,727.08 - Step 6: Final answer
x = 3,004,709.92
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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.