Finding the Fourth Proportional to 6,494,207.77, 8,954,672.79 and 4,857,369.49
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Solution
The fourth proportional to 6,494,207.77, 8,954,672.79 and 4,857,369.49 is: 6,697,684.45
Step by Step Solution
- Step 1: Write the proportion equation
6,494,207.77 : 8,954,672.79 = 4,857,369.49 : x - Step 2: Convert to fraction form
6,494,207.77/8,954,672.79 = 4,857,369.49/x - Step 3: Cross multiply
6,494,207.77x = 8,954,672.79 × 4,857,369.49 - Step 4: Simplify right side
6,494,207.77x = 43,496,154,403,079.17 - Step 5: Solve for x
x = 43,496,154,403,079.17/6,494,207.77 - Step 6: Final answer
x = 6,697,684.45
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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.