Finding the Fourth Proportional to 2,758,658.70, 4,137,988.05 and 764,114.70
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Solution
The fourth proportional to 2,758,658.70, 4,137,988.05 and 764,114.70 is: 1,146,172.05
Step by Step Solution
- Step 1: Write the proportion equation
2,758,658.70 : 4,137,988.05 = 764,114.70 : x - Step 2: Convert to fraction form
2,758,658.70/4,137,988.05 = 764,114.70/x - Step 3: Cross multiply
2,758,658.70x = 4,137,988.05 × 764,114.70 - Step 4: Simplify right side
2,758,658.70x = 3,161,897,497,429.33 - Step 5: Solve for x
x = 3,161,897,497,429.33/2,758,658.70 - Step 6: Final answer
x = 1,146,172.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.