Finding the Fourth Proportional to 6,218,035.20, 8,580,906.01 and 3,605,047.09
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Solution
The fourth proportional to 6,218,035.20, 8,580,906.01 and 3,605,047.09 is: 4,974,975.09
Step by Step Solution
- Step 1: Write the proportion equation
6,218,035.20 : 8,580,906.01 = 3,605,047.09 : x - Step 2: Convert to fraction form
6,218,035.20/8,580,906.01 = 3,605,047.09/x - Step 3: Cross multiply
6,218,035.20x = 8,580,906.01 × 3,605,047.09 - Step 4: Simplify right side
6,218,035.20x = 30,934,570,223,968.05 - Step 5: Solve for x
x = 30,934,570,223,968.05/6,218,035.20 - Step 6: Final answer
x = 4,974,975.09
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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.