Finding the Fourth Proportional to 7,089,412.20, 10,632,044.70 and 2,539,933.80
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Solution
The fourth proportional to 7,089,412.20, 10,632,044.70 and 2,539,933.80 is: 3,809,157.79
Step by Step Solution
- Step 1: Write the proportion equation
7,089,412.20 : 10,632,044.70 = 2,539,933.80 : x - Step 2: Convert to fraction form
7,089,412.20/10,632,044.70 = 2,539,933.80/x - Step 3: Cross multiply
7,089,412.20x = 10,632,044.70 × 2,539,933.80 - Step 4: Simplify right side
7,089,412.20x = 27,004,689,696,640.86 - Step 5: Solve for x
x = 27,004,689,696,640.86/7,089,412.20 - Step 6: Final answer
x = 3,809,157.79
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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.