Finding the Fourth Proportional to 3,071,821.09, 4,239,114.90 and 1,713,694.09
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Solution
The fourth proportional to 3,071,821.09, 4,239,114.90 and 1,713,694.09 is: 2,364,898.85
Step by Step Solution
- Step 1: Write the proportion equation
3,071,821.09 : 4,239,114.90 = 1,713,694.09 : x - Step 2: Convert to fraction form
3,071,821.09/4,239,114.90 = 1,713,694.09/x - Step 3: Cross multiply
3,071,821.09x = 4,239,114.90 × 1,713,694.09 - Step 4: Simplify right side
3,071,821.09x = 7,264,546,150,960.94 - Step 5: Solve for x
x = 7,264,546,150,960.94/3,071,821.09 - Step 6: Final answer
x = 2,364,898.85
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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.