Finding the Fourth Proportional to 6,107,960.70, 8,428,071.42 and 3,494,049.18
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Solution
The fourth proportional to 6,107,960.70, 8,428,071.42 and 3,494,049.18 is: 4,821,264.82
Step by Step Solution
- Step 1: Write the proportion equation
6,107,960.70 : 8,428,071.42 = 3,494,049.18 : x - Step 2: Convert to fraction form
6,107,960.70/8,428,071.42 = 3,494,049.18/x - Step 3: Cross multiply
6,107,960.70x = 8,428,071.42 × 3,494,049.18 - Step 4: Simplify right side
6,107,960.70x = 29,448,096,034,032.44 - Step 5: Solve for x
x = 29,448,096,034,032.44/6,107,960.70 - Step 6: Final answer
x = 4,821,264.82
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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.