Finding the Fourth Proportional to 1,405,161.44, 2,104,549.82 and 1,099,651.63
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Solution
The fourth proportional to 1,405,161.44, 2,104,549.82 and 1,099,651.63 is: 1,646,979.17
Step by Step Solution
- Step 1: Write the proportion equation
1,405,161.44 : 2,104,549.82 = 1,099,651.63 : x - Step 2: Convert to fraction form
1,405,161.44/2,104,549.82 = 1,099,651.63/x - Step 3: Cross multiply
1,405,161.44x = 2,104,549.82 × 1,099,651.63 - Step 4: Simplify right side
1,405,161.44x = 2,314,271,623,958.20 - Step 5: Solve for x
x = 2,314,271,623,958.20/1,405,161.44 - Step 6: Final answer
x = 1,646,979.17
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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.