Finding the Fourth Proportional to 2,841,861.70, 3,921,723.39 and 1,552,674.43
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Solution
The fourth proportional to 2,841,861.70, 3,921,723.39 and 1,552,674.43 is: 2,142,665.71
Step by Step Solution
- Step 1: Write the proportion equation
2,841,861.70 : 3,921,723.39 = 1,552,674.43 : x - Step 2: Convert to fraction form
2,841,861.70/3,921,723.39 = 1,552,674.43/x - Step 3: Cross multiply
2,841,861.70x = 3,921,723.39 × 1,552,674.43 - Step 4: Simplify right side
2,841,861.70x = 6,089,159,629,185.92 - Step 5: Solve for x
x = 6,089,159,629,185.92/2,841,861.70 - Step 6: Final answer
x = 2,142,665.71
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1.5x scale
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.