Finding the Fourth Proportional to 3,824,874.38, 5,278,345.90 and 2,193,343.22
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Solution
The fourth proportional to 3,824,874.38, 5,278,345.90 and 2,193,343.22 is: 3,026,824.69
Step by Step Solution
- Step 1: Write the proportion equation
3,824,874.38 : 5,278,345.90 = 2,193,343.22 : x - Step 2: Convert to fraction form
3,824,874.38/5,278,345.90 = 2,193,343.22/x - Step 3: Cross multiply
3,824,874.38x = 5,278,345.90 × 2,193,343.22 - Step 4: Simplify right side
3,824,874.38x = 11,577,224,192,579.80 - Step 5: Solve for x
x = 11,577,224,192,579.80/3,824,874.38 - Step 6: Final answer
x = 3,026,824.69
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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.