Finding the Fourth Proportional to 5,503,936.80, 8,248,906.80 and 2,657,920.80
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Solution
The fourth proportional to 5,503,936.80, 8,248,906.80 and 2,657,920.80 is: 3,983,501.58
Step by Step Solution
- Step 1: Write the proportion equation
5,503,936.80 : 8,248,906.80 = 2,657,920.80 : x - Step 2: Convert to fraction form
5,503,936.80/8,248,906.80 = 2,657,920.80/x - Step 3: Cross multiply
5,503,936.80x = 8,248,906.80 × 2,657,920.80 - Step 4: Simplify right side
5,503,936.80x = 21,924,940,960,981.44 - Step 5: Solve for x
x = 21,924,940,960,981.44/5,503,936.80 - Step 6: Final answer
x = 3,983,501.58
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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.