Finding the Fourth Proportional to 3,678,539.84, 5,073,509.12 and 2,389,795.46
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Solution
The fourth proportional to 3,678,539.84, 5,073,509.12 and 2,389,795.46 is: 3,296,049.41
Step by Step Solution
- Step 1: Write the proportion equation
3,678,539.84 : 5,073,509.12 = 2,389,795.46 : x - Step 2: Convert to fraction form
3,678,539.84/5,073,509.12 = 2,389,795.46/x - Step 3: Cross multiply
3,678,539.84x = 5,073,509.12 × 2,389,795.46 - Step 4: Simplify right side
3,678,539.84x = 12,124,649,061,244.60 - Step 5: Solve for x
x = 12,124,649,061,244.60/3,678,539.84 - Step 6: Final answer
x = 3,296,049.41
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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.