Finding the Fourth Proportional to 1,310,393.91, 1,965,601.80 and 363,838.44
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Solution
The fourth proportional to 1,310,393.91, 1,965,601.80 and 363,838.44 is: 545,760.70
Step by Step Solution
- Step 1: Write the proportion equation
1,310,393.91 : 1,965,601.80 = 363,838.44 : x - Step 2: Convert to fraction form
1,310,393.91/1,965,601.80 = 363,838.44/x - Step 3: Cross multiply
1,310,393.91x = 1,965,601.80 × 363,838.44 - Step 4: Simplify right side
1,310,393.91x = 715,161,492,573.19 - Step 5: Solve for x
x = 715,161,492,573.19/1,310,393.91 - Step 6: Final answer
x = 545,760.70
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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.