Finding the Fourth Proportional to 3,612,636.48, 4,985,983.44 and 2,306,446.68
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Solution
The fourth proportional to 3,612,636.48, 4,985,983.44 and 2,306,446.68 is: 3,183,244.43
Step by Step Solution
- Step 1: Write the proportion equation
3,612,636.48 : 4,985,983.44 = 2,306,446.68 : x - Step 2: Convert to fraction form
3,612,636.48/4,985,983.44 = 2,306,446.68/x - Step 3: Cross multiply
3,612,636.48x = 4,985,983.44 × 2,306,446.68 - Step 4: Simplify right side
3,612,636.48x = 11,499,904,951,722.98 - Step 5: Solve for x
x = 11,499,904,951,722.98/3,612,636.48 - Step 6: Final answer
x = 3,183,244.43
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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.