Finding the Fourth Proportional to 1,328,982.48, 1,836,394.84 and 946,344.96
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Solution
The fourth proportional to 1,328,982.48, 1,836,394.84 and 946,344.96 is: 1,307,664.34
Step by Step Solution
- Step 1: Write the proportion equation
1,328,982.48 : 1,836,394.84 = 946,344.96 : x - Step 2: Convert to fraction form
1,328,982.48/1,836,394.84 = 946,344.96/x - Step 3: Cross multiply
1,328,982.48x = 1,836,394.84 × 946,344.96 - Step 4: Simplify right side
1,328,982.48x = 1,737,863,001,404.01 - Step 5: Solve for x
x = 1,737,863,001,404.01/1,328,982.48 - Step 6: Final answer
x = 1,307,664.34
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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.