Finding the Fourth Proportional to 4,808,231.86, 7,200,898.44 and 2,782,205.98
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Solution
The fourth proportional to 4,808,231.86, 7,200,898.44 and 2,782,205.98 is: 4,166,683.99
Step by Step Solution
- Step 1: Write the proportion equation
4,808,231.86 : 7,200,898.44 = 2,782,205.98 : x - Step 2: Convert to fraction form
4,808,231.86/7,200,898.44 = 2,782,205.98/x - Step 3: Cross multiply
4,808,231.86x = 7,200,898.44 × 2,782,205.98 - Step 4: Simplify right side
4,808,231.86x = 20,034,382,701,140.67 - Step 5: Solve for x
x = 20,034,382,701,140.67/4,808,231.86 - Step 6: Final answer
x = 4,166,683.99
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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.