Finding the Fourth Proportional to 5,351,716.70, 7,385,423.11 and 2,904,348.88
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Solution
The fourth proportional to 5,351,716.70, 7,385,423.11 and 2,904,348.88 is: 4,008,030.79
Step by Step Solution
- Step 1: Write the proportion equation
5,351,716.70 : 7,385,423.11 = 2,904,348.88 : x - Step 2: Convert to fraction form
5,351,716.70/7,385,423.11 = 2,904,348.88/x - Step 3: Cross multiply
5,351,716.70x = 7,385,423.11 × 2,904,348.88 - Step 4: Simplify right side
5,351,716.70x = 21,449,845,312,130.19 - Step 5: Solve for x
x = 21,449,845,312,130.19/5,351,716.70 - Step 6: Final answer
x = 4,008,030.79
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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.