Finding the Fourth Proportional to 6,365,645.92, 8,784,789.49 and 3,465,230.12
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Solution
The fourth proportional to 6,365,645.92, 8,784,789.49 and 3,465,230.12 is: 4,782,125.41
Step by Step Solution
- Step 1: Write the proportion equation
6,365,645.92 : 8,784,789.49 = 3,465,230.12 : x - Step 2: Convert to fraction form
6,365,645.92/8,784,789.49 = 3,465,230.12/x - Step 3: Cross multiply
6,365,645.92x = 8,784,789.49 × 3,465,230.12 - Step 4: Simplify right side
6,365,645.92x = 30,441,317,131,957.99 - Step 5: Solve for x
x = 30,441,317,131,957.99/6,365,645.92 - Step 6: Final answer
x = 4,782,125.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.