Finding the Fourth Proportional to 4,264,990.53, 6,397,816.29 and 1,425,112.71
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Solution
The fourth proportional to 4,264,990.53, 6,397,816.29 and 1,425,112.71 is: 2,137,779.50
Step by Step Solution
- Step 1: Write the proportion equation
4,264,990.53 : 6,397,816.29 = 1,425,112.71 : x - Step 2: Convert to fraction form
4,264,990.53/6,397,816.29 = 1,425,112.71/x - Step 3: Cross multiply
4,264,990.53x = 6,397,816.29 × 1,425,112.71 - Step 4: Simplify right side
4,264,990.53x = 9,117,609,311,124.05 - Step 5: Solve for x
x = 9,117,609,311,124.05/4,264,990.53 - Step 6: Final answer
x = 2,137,779.50
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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.