Finding the Fourth Proportional to 5,393,243.96, 8,089,590.73 and 1,981,268.81
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Solution
The fourth proportional to 5,393,243.96, 8,089,590.73 and 1,981,268.81 is: 2,971,802.11
Step by Step Solution
- Step 1: Write the proportion equation
5,393,243.96 : 8,089,590.73 = 1,981,268.81 : x - Step 2: Convert to fraction form
5,393,243.96/8,089,590.73 = 1,981,268.81/x - Step 3: Cross multiply
5,393,243.96x = 8,089,590.73 × 1,981,268.81 - Step 4: Simplify right side
5,393,243.96x = 16,027,653,799,014.13 - Step 5: Solve for x
x = 16,027,653,799,014.13/5,393,243.96 - Step 6: Final answer
x = 2,971,802.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.