Finding the Fourth Proportional to 2,088,812.63, 2,883,505.94 and 1,315,579.88
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Solution
The fourth proportional to 2,088,812.63, 2,883,505.94 and 1,315,579.88 is: 1,816,095.11
Step by Step Solution
- Step 1: Write the proportion equation
2,088,812.63 : 2,883,505.94 = 1,315,579.88 : x - Step 2: Convert to fraction form
2,088,812.63/2,883,505.94 = 1,315,579.88/x - Step 3: Cross multiply
2,088,812.63x = 2,883,505.94 × 1,315,579.88 - Step 4: Simplify right side
2,088,812.63x = 3,793,482,398,524.49 - Step 5: Solve for x
x = 3,793,482,398,524.49/2,088,812.63 - Step 6: Final answer
x = 1,816,095.11
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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.