Finding the Fourth Proportional to 6,879,906.29, 9,494,276.76 and 3,782,482.35
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Solution
The fourth proportional to 6,879,906.29, 9,494,276.76 and 3,782,482.35 is: 5,219,828.99
Step by Step Solution
- Step 1: Write the proportion equation
6,879,906.29 : 9,494,276.76 = 3,782,482.35 : x - Step 2: Convert to fraction form
6,879,906.29/9,494,276.76 = 3,782,482.35/x - Step 3: Cross multiply
6,879,906.29x = 9,494,276.76 × 3,782,482.35 - Step 4: Simplify right side
6,879,906.29x = 35,911,934,270,715.19 - Step 5: Solve for x
x = 35,911,934,270,715.19/6,879,906.29 - Step 6: Final answer
x = 5,219,828.99
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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.