Finding the Fourth Proportional to 1,328,980.49, 1,836,392.07 and 946,342.97
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Solution
The fourth proportional to 1,328,980.49, 1,836,392.07 and 946,342.97 is: 1,307,661.58
Step by Step Solution
- Step 1: Write the proportion equation
1,328,980.49 : 1,836,392.07 = 946,342.97 : x - Step 2: Convert to fraction form
1,328,980.49/1,836,392.07 = 946,342.97/x - Step 3: Cross multiply
1,328,980.49x = 1,836,392.07 × 946,342.97 - Step 4: Simplify right side
1,328,980.49x = 1,737,856,716,426.29 - Step 5: Solve for x
x = 1,737,856,716,426.29/1,328,980.49 - Step 6: Final answer
x = 1,307,661.58
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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.