Finding the Fourth Proportional to 5,749,198.29, 8,629,778.88 and 4,234,591.44
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Solution
The fourth proportional to 5,749,198.29, 8,629,778.88 and 4,234,591.44 is: 6,356,292.81
Step by Step Solution
- Step 1: Write the proportion equation
5,749,198.29 : 8,629,778.88 = 4,234,591.44 : x - Step 2: Convert to fraction form
5,749,198.29/8,629,778.88 = 4,234,591.44/x - Step 3: Cross multiply
5,749,198.29x = 8,629,778.88 × 4,234,591.44 - Step 4: Simplify right side
5,749,198.29x = 36,543,587,774,340.80 - Step 5: Solve for x
x = 36,543,587,774,340.80/5,749,198.29 - Step 6: Final answer
x = 6,356,292.81
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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.