Finding the Fourth Proportional to 5,608,630.62, 8,416,726.79 and 1,965,393.26
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Solution
The fourth proportional to 5,608,630.62, 8,416,726.79 and 1,965,393.26 is: 2,949,414.80
Step by Step Solution
- Step 1: Write the proportion equation
5,608,630.62 : 8,416,726.79 = 1,965,393.26 : x - Step 2: Convert to fraction form
5,608,630.62/8,416,726.79 = 1,965,393.26/x - Step 3: Cross multiply
5,608,630.62x = 8,416,726.79 × 1,965,393.26 - Step 4: Simplify right side
5,608,630.62x = 16,542,178,150,670.98 - Step 5: Solve for x
x = 16,542,178,150,670.98/5,608,630.62 - Step 6: Final answer
x = 2,949,414.80
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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.