Finding the Fourth Proportional to 5,230,608.09, 7,218,325.49 and 2,875,905.33
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Solution
The fourth proportional to 5,230,608.09, 7,218,325.49 and 2,875,905.33 is: 3,968,796.82
Step by Step Solution
- Step 1: Write the proportion equation
5,230,608.09 : 7,218,325.49 = 2,875,905.33 : x - Step 2: Convert to fraction form
5,230,608.09/7,218,325.49 = 2,875,905.33/x - Step 3: Cross multiply
5,230,608.09x = 7,218,325.49 × 2,875,905.33 - Step 4: Simplify right side
5,230,608.09x = 20,759,220,769,970.42 - Step 5: Solve for x
x = 20,759,220,769,970.42/5,230,608.09 - Step 6: Final answer
x = 3,968,796.82
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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.