Finding the Fourth Proportional to 1,424,517.03, 1,966,020.66 and 812,529.63
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Solution
The fourth proportional to 1,424,517.03, 1,966,020.66 and 812,529.63 is: 1,121,397.64
Step by Step Solution
- Step 1: Write the proportion equation
1,424,517.03 : 1,966,020.66 = 812,529.63 : x - Step 2: Convert to fraction form
1,424,517.03/1,966,020.66 = 812,529.63/x - Step 3: Cross multiply
1,424,517.03x = 1,966,020.66 × 812,529.63 - Step 4: Simplify right side
1,424,517.03x = 1,597,450,039,442.16 - Step 5: Solve for x
x = 1,597,450,039,442.16/1,424,517.03 - Step 6: Final answer
x = 1,121,397.64
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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.