Finding the Fourth Proportional to 5,393,242.96, 8,089,589.23 and 1,981,267.81
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Solution
The fourth proportional to 5,393,242.96, 8,089,589.23 and 1,981,267.81 is: 2,971,800.61
Step by Step Solution
- Step 1: Write the proportion equation
5,393,242.96 : 8,089,589.23 = 1,981,267.81 : x - Step 2: Convert to fraction form
5,393,242.96/8,089,589.23 = 1,981,267.81/x - Step 3: Cross multiply
5,393,242.96x = 8,089,589.23 × 1,981,267.81 - Step 4: Simplify right side
5,393,242.96x = 16,027,642,712,344.54 - Step 5: Solve for x
x = 16,027,642,712,344.54/5,393,242.96 - Step 6: Final answer
x = 2,971,800.61
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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.