Finding the Fourth Proportional to 1,436,664.12, 2,156,329.44 and 727,194.84
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Solution
The fourth proportional to 1,436,664.12, 2,156,329.44 and 727,194.84 is: 1,091,467.11
Step by Step Solution
- Step 1: Write the proportion equation
1,436,664.12 : 2,156,329.44 = 727,194.84 : x - Step 2: Convert to fraction form
1,436,664.12/2,156,329.44 = 727,194.84/x - Step 3: Cross multiply
1,436,664.12x = 2,156,329.44 × 727,194.84 - Step 4: Simplify right side
1,436,664.12x = 1,568,071,642,108.09 - Step 5: Solve for x
x = 1,568,071,642,108.09/1,436,664.12 - Step 6: Final answer
x = 1,091,467.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.