Finding the Fourth Proportional to 4,163,830.80, 6,255,077.40 and 3,993,795.60
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Solution
The fourth proportional to 4,163,830.80, 6,255,077.40 and 3,993,795.60 is: 5,999,643.55
Step by Step Solution
- Step 1: Write the proportion equation
4,163,830.80 : 6,255,077.40 = 3,993,795.60 : x - Step 2: Convert to fraction form
4,163,830.80/6,255,077.40 = 3,993,795.60/x - Step 3: Cross multiply
4,163,830.80x = 6,255,077.40 × 3,993,795.60 - Step 4: Simplify right side
4,163,830.80x = 24,981,500,597,779.44 - Step 5: Solve for x
x = 24,981,500,597,779.44/4,163,830.80 - Step 6: Final answer
x = 5,999,643.55
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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.