Finding the Fourth Proportional to 5,351,981.14, 7,384,665.54 and 3,257,420.62
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Solution
The fourth proportional to 5,351,981.14, 7,384,665.54 and 3,257,420.62 is: 4,494,590.17
Step by Step Solution
- Step 1: Write the proportion equation
5,351,981.14 : 7,384,665.54 = 3,257,420.62 : x - Step 2: Convert to fraction form
5,351,981.14/7,384,665.54 = 3,257,420.62/x - Step 3: Cross multiply
5,351,981.14x = 7,384,665.54 × 3,257,420.62 - Step 4: Simplify right side
5,351,981.14x = 24,054,961,801,799.44 - Step 5: Solve for x
x = 24,054,961,801,799.44/5,351,981.14 - Step 6: Final answer
x = 4,494,590.17
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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.