Finding the Fourth Proportional to 5,632,716.96, 7,773,561.36 and 3,218,217.12
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Solution
The fourth proportional to 5,632,716.96, 7,773,561.36 and 3,218,217.12 is: 4,441,374.99
Step by Step Solution
- Step 1: Write the proportion equation
5,632,716.96 : 7,773,561.36 = 3,218,217.12 : x - Step 2: Convert to fraction form
5,632,716.96/7,773,561.36 = 3,218,217.12/x - Step 3: Cross multiply
5,632,716.96x = 7,773,561.36 × 3,218,217.12 - Step 4: Simplify right side
5,632,716.96x = 25,017,008,252,122.48 - Step 5: Solve for x
x = 25,017,008,252,122.48/5,632,716.96 - Step 6: Final answer
x = 4,441,374.99
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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.