Finding the Fourth Proportional to 4,218,095.16, 5,821,550.64 and 2,586,214.08
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Solution
The fourth proportional to 4,218,095.16, 5,821,550.64 and 2,586,214.08 is: 3,569,330.62
Step by Step Solution
- Step 1: Write the proportion equation
4,218,095.16 : 5,821,550.64 = 2,586,214.08 : x - Step 2: Convert to fraction form
4,218,095.16/5,821,550.64 = 2,586,214.08/x - Step 3: Cross multiply
4,218,095.16x = 5,821,550.64 × 2,586,214.08 - Step 4: Simplify right side
4,218,095.16x = 15,055,776,232,601.01 - Step 5: Solve for x
x = 15,055,776,232,601.01/4,218,095.16 - Step 6: Final answer
x = 3,569,330.62
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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.