Finding the Fourth Proportional to 5,286,647.34, 7,295,861.70 and 2,995,254.54
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Solution
The fourth proportional to 5,286,647.34, 7,295,861.70 and 2,995,254.54 is: 4,133,614.65
Step by Step Solution
- Step 1: Write the proportion equation
5,286,647.34 : 7,295,861.70 = 2,995,254.54 : x - Step 2: Convert to fraction form
5,286,647.34/7,295,861.70 = 2,995,254.54/x - Step 3: Cross multiply
5,286,647.34x = 7,295,861.70 × 2,995,254.54 - Step 4: Simplify right side
5,286,647.34x = 21,852,962,880,137.12 - Step 5: Solve for x
x = 21,852,962,880,137.12/5,286,647.34 - Step 6: Final answer
x = 4,133,614.65
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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.