Finding the Fourth Proportional to 6,308,231.08, 8,705,366.63 and 3,407,621.99
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Solution
The fourth proportional to 6,308,231.08, 8,705,366.63 and 3,407,621.99 is: 4,702,522.53
Step by Step Solution
- Step 1: Write the proportion equation
6,308,231.08 : 8,705,366.63 = 3,407,621.99 : x - Step 2: Convert to fraction form
6,308,231.08/8,705,366.63 = 3,407,621.99/x - Step 3: Cross multiply
6,308,231.08x = 8,705,366.63 × 3,407,621.99 - Step 4: Simplify right side
6,308,231.08x = 29,664,598,759,400.20 - Step 5: Solve for x
x = 29,664,598,759,400.20/6,308,231.08 - Step 6: Final answer
x = 4,702,522.53
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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.