Finding the Fourth Proportional to 5,470,576.69, 8,198,530.05 and 4,257,617.96
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Solution
The fourth proportional to 5,470,576.69, 8,198,530.05 and 4,257,617.96 is: 6,380,718.30
Step by Step Solution
- Step 1: Write the proportion equation
5,470,576.69 : 8,198,530.05 = 4,257,617.96 : x - Step 2: Convert to fraction form
5,470,576.69/8,198,530.05 = 4,257,617.96/x - Step 3: Cross multiply
5,470,576.69x = 8,198,530.05 × 4,257,617.96 - Step 4: Simplify right side
5,470,576.69x = 34,906,208,786,479.70 - Step 5: Solve for x
x = 34,906,208,786,479.70/5,470,576.69 - Step 6: Final answer
x = 6,380,718.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.