Finding the Fourth Proportional to 6,317,197.99, 8,718,131.85 and 3,562,880.47
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Solution
The fourth proportional to 6,317,197.99, 8,718,131.85 and 3,562,880.47 is: 4,916,999.87
Step by Step Solution
- Step 1: Write the proportion equation
6,317,197.99 : 8,718,131.85 = 3,562,880.47 : x - Step 2: Convert to fraction form
6,317,197.99/8,718,131.85 = 3,562,880.47/x - Step 3: Cross multiply
6,317,197.99x = 8,718,131.85 × 3,562,880.47 - Step 4: Simplify right side
6,317,197.99x = 31,061,661,668,093.84 - Step 5: Solve for x
x = 31,061,661,668,093.84/6,317,197.99 - Step 6: Final answer
x = 4,916,999.87
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1.5x scale
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.