Finding the Fourth Proportional to 3,608,245.68, 5,411,222.64 and 1,178,845.38
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Solution
The fourth proportional to 3,608,245.68, 5,411,222.64 and 1,178,845.38 is: 1,767,893.70
Step by Step Solution
- Step 1: Write the proportion equation
3,608,245.68 : 5,411,222.64 = 1,178,845.38 : x - Step 2: Convert to fraction form
3,608,245.68/5,411,222.64 = 1,178,845.38/x - Step 3: Cross multiply
3,608,245.68x = 5,411,222.64 × 1,178,845.38 - Step 4: Simplify right side
3,608,245.68x = 6,378,994,809,315.40 - Step 5: Solve for x
x = 6,378,994,809,315.40/3,608,245.68 - Step 6: Final answer
x = 1,767,893.70
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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.