Finding the Fourth Proportional to 3,178,337.94, 4,770,503.10 and 1,158,534.09
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Solution
The fourth proportional to 3,178,337.94, 4,770,503.10 and 1,158,534.09 is: 1,738,893.27
Step by Step Solution
- Step 1: Write the proportion equation
3,178,337.94 : 4,770,503.10 = 1,158,534.09 : x - Step 2: Convert to fraction form
3,178,337.94/4,770,503.10 = 1,158,534.09/x - Step 3: Cross multiply
3,178,337.94x = 4,770,503.10 × 1,158,534.09 - Step 4: Simplify right side
3,178,337.94x = 5,526,790,467,800.68 - Step 5: Solve for x
x = 5,526,790,467,800.68/3,178,337.94 - Step 6: Final answer
x = 1,738,893.27
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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.