Finding the Fourth Proportional to 1,511,643.33, 2,086,304.70 and 891,516.65
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Solution
The fourth proportional to 1,511,643.33, 2,086,304.70 and 891,516.65 is: 1,230,432.69
Step by Step Solution
- Step 1: Write the proportion equation
1,511,643.33 : 2,086,304.70 = 891,516.65 : x - Step 2: Convert to fraction form
1,511,643.33/2,086,304.70 = 891,516.65/x - Step 3: Cross multiply
1,511,643.33x = 2,086,304.70 × 891,516.65 - Step 4: Simplify right side
1,511,643.33x = 1,859,975,366,591.73 - Step 5: Solve for x
x = 1,859,975,366,591.73/1,511,643.33 - Step 6: Final answer
x = 1,230,432.69
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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.