Finding the Fourth Proportional to 4,145,242.73, 5,720,457.66 and 2,403,944.54
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Solution
The fourth proportional to 4,145,242.73, 5,720,457.66 and 2,403,944.54 is: 3,317,456.62
Step by Step Solution
- Step 1: Write the proportion equation
4,145,242.73 : 5,720,457.66 = 2,403,944.54 : x - Step 2: Convert to fraction form
4,145,242.73/5,720,457.66 = 2,403,944.54/x - Step 3: Cross multiply
4,145,242.73x = 5,720,457.66 × 2,403,944.54 - Step 4: Simplify right side
4,145,242.73x = 13,751,662,923,446.03 - Step 5: Solve for x
x = 13,751,662,923,446.03/4,145,242.73 - Step 6: Final answer
x = 3,317,456.62
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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.