Finding the Fourth Proportional to 7,121,553.01, 10,683,234.79 and 2,262,125.88
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Solution
The fourth proportional to 7,121,553.01, 10,683,234.79 and 2,262,125.88 is: 3,393,476.38
Step by Step Solution
- Step 1: Write the proportion equation
7,121,553.01 : 10,683,234.79 = 2,262,125.88 : x - Step 2: Convert to fraction form
7,121,553.01/10,683,234.79 = 2,262,125.88/x - Step 3: Cross multiply
7,121,553.01x = 10,683,234.79 × 2,262,125.88 - Step 4: Simplify right side
7,121,553.01x = 24,166,821,894,920.05 - Step 5: Solve for x
x = 24,166,821,894,920.05/7,121,553.01 - Step 6: Final answer
x = 3,393,476.38
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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.