Finding the Fourth Proportional to 4,218,097.81, 5,820,943.93 and 2,284,313.53
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Solution
The fourth proportional to 4,218,097.81, 5,820,943.93 and 2,284,313.53 is: 3,152,335.86
Step by Step Solution
- Step 1: Write the proportion equation
4,218,097.81 : 5,820,943.93 = 2,284,313.53 : x - Step 2: Convert to fraction form
4,218,097.81/5,820,943.93 = 2,284,313.53/x - Step 3: Cross multiply
4,218,097.81x = 5,820,943.93 × 2,284,313.53 - Step 4: Simplify right side
4,218,097.81x = 13,296,860,976,670.37 - Step 5: Solve for x
x = 13,296,860,976,670.37/4,218,097.81 - Step 6: Final answer
x = 3,152,335.86
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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.