Finding the Fourth Proportional to 4,089,593.41, 5,643,613.64 and 2,229,006.80
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Solution
The fourth proportional to 4,089,593.41, 5,643,613.64 and 2,229,006.80 is: 3,076,015.62
Step by Step Solution
- Step 1: Write the proportion equation
4,089,593.41 : 5,643,613.64 = 2,229,006.80 : x - Step 2: Convert to fraction form
4,089,593.41/5,643,613.64 = 2,229,006.80/x - Step 3: Cross multiply
4,089,593.41x = 5,643,613.64 × 2,229,006.80 - Step 4: Simplify right side
4,089,593.41x = 12,579,653,199,814.30 - Step 5: Solve for x
x = 12,579,653,199,814.30/4,089,593.41 - Step 6: Final answer
x = 3,076,015.62
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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.