Finding the Fourth Proportional to 5,578,771.29, 8,364,905.48 and 2,163,067.50
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Solution
The fourth proportional to 5,578,771.29, 8,364,905.48 and 2,163,067.50 is: 3,243,340.56
Step by Step Solution
- Step 1: Write the proportion equation
5,578,771.29 : 8,364,905.48 = 2,163,067.50 : x - Step 2: Convert to fraction form
5,578,771.29/8,364,905.48 = 2,163,067.50/x - Step 3: Cross multiply
5,578,771.29x = 8,364,905.48 × 2,163,067.50 - Step 4: Simplify right side
5,578,771.29x = 18,093,855,173,544.56 - Step 5: Solve for x
x = 18,093,855,173,544.56/5,578,771.29 - Step 6: Final answer
x = 3,243,340.56
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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.