Finding the Fourth Proportional to 2,405,274.43, 3,318,020.25 and 1,487,210.09
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Solution
The fourth proportional to 2,405,274.43, 3,318,020.25 and 1,487,210.09 is: 2,051,571.80
Step by Step Solution
- Step 1: Write the proportion equation
2,405,274.43 : 3,318,020.25 = 1,487,210.09 : x - Step 2: Convert to fraction form
2,405,274.43/3,318,020.25 = 1,487,210.09/x - Step 3: Cross multiply
2,405,274.43x = 3,318,020.25 × 1,487,210.09 - Step 4: Simplify right side
2,405,274.43x = 4,934,593,194,624.32 - Step 5: Solve for x
x = 4,934,593,194,624.32/2,405,274.43 - Step 6: Final answer
x = 2,051,571.80
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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.