Finding the Fourth Proportional to 5,578,772.29, 8,364,906.97 and 2,163,068.50
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Solution
The fourth proportional to 5,578,772.29, 8,364,906.97 and 2,163,068.50 is: 3,243,342.05
Step by Step Solution
- Step 1: Write the proportion equation
5,578,772.29 : 8,364,906.97 = 2,163,068.50 : x - Step 2: Convert to fraction form
5,578,772.29/8,364,906.97 = 2,163,068.50/x - Step 3: Cross multiply
5,578,772.29x = 8,364,906.97 × 2,163,068.50 - Step 4: Simplify right side
5,578,772.29x = 18,093,866,772,237.45 - Step 5: Solve for x
x = 18,093,866,772,237.45/5,578,772.29 - Step 6: Final answer
x = 3,243,342.05
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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.