Finding the Fourth Proportional to 5,183,477.29, 7,154,621.42 and 3,008,721.09
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Solution
The fourth proportional to 5,183,477.29, 7,154,621.42 and 3,008,721.09 is: 4,152,860.94
Step by Step Solution
- Step 1: Write the proportion equation
5,183,477.29 : 7,154,621.42 = 3,008,721.09 : x - Step 2: Convert to fraction form
5,183,477.29/7,154,621.42 = 3,008,721.09/x - Step 3: Cross multiply
5,183,477.29x = 7,154,621.42 × 3,008,721.09 - Step 4: Simplify right side
5,183,477.29x = 21,526,260,357,319.75 - Step 5: Solve for x
x = 21,526,260,357,319.75/5,183,477.29 - Step 6: Final answer
x = 4,152,860.94
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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.