Finding the Fourth Proportional to 4,193,916.44, 6,290,864.07 and 1,161,272.18
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Solution
The fourth proportional to 4,193,916.44, 6,290,864.07 and 1,161,272.18 is: 1,741,905.34
Step by Step Solution
- Step 1: Write the proportion equation
4,193,916.44 : 6,290,864.07 = 1,161,272.18 : x - Step 2: Convert to fraction form
4,193,916.44/6,290,864.07 = 1,161,272.18/x - Step 3: Cross multiply
4,193,916.44x = 6,290,864.07 × 1,161,272.18 - Step 4: Simplify right side
4,193,916.44x = 7,305,405,432,652.57 - Step 5: Solve for x
x = 7,305,405,432,652.57/4,193,916.44 - Step 6: Final answer
x = 1,741,905.34
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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.