Finding the Fourth Proportional to 4,218,089.60, 5,820,891.68 and 2,284,334.48
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Solution
The fourth proportional to 4,218,089.60, 5,820,891.68 and 2,284,334.48 is: 3,152,342.61
Step by Step Solution
- Step 1: Write the proportion equation
4,218,089.60 : 5,820,891.68 = 2,284,334.48 : x - Step 2: Convert to fraction form
4,218,089.60/5,820,891.68 = 2,284,334.48/x - Step 3: Cross multiply
4,218,089.60x = 5,820,891.68 × 2,284,334.48 - Step 4: Simplify right side
4,218,089.60x = 13,296,863,568,969.12 - Step 5: Solve for x
x = 13,296,863,568,969.12/4,218,089.60 - Step 6: Final answer
x = 3,152,342.61
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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.