Finding the Fourth Proportional to 3,715,995.96, 5,126,863.68 and 2,166,907.68
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Solution
The fourth proportional to 3,715,995.96, 5,126,863.68 and 2,166,907.68 is: 2,989,626.58
Step by Step Solution
- Step 1: Write the proportion equation
3,715,995.96 : 5,126,863.68 = 2,166,907.68 : x - Step 2: Convert to fraction form
3,715,995.96/5,126,863.68 = 2,166,907.68/x - Step 3: Cross multiply
3,715,995.96x = 5,126,863.68 × 2,166,907.68 - Step 4: Simplify right side
3,715,995.96x = 11,109,440,282,505.06 - Step 5: Solve for x
x = 11,109,440,282,505.06/3,715,995.96 - Step 6: Final answer
x = 2,989,626.58
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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.