Finding the Fourth Proportional to 5,731,620.08, 7,910,193.96 and 4,278,792.74
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Solution
The fourth proportional to 5,731,620.08, 7,910,193.96 and 4,278,792.74 is: 5,905,150.73
Step by Step Solution
- Step 1: Write the proportion equation
5,731,620.08 : 7,910,193.96 = 4,278,792.74 : x - Step 2: Convert to fraction form
5,731,620.08/7,910,193.96 = 4,278,792.74/x - Step 3: Cross multiply
5,731,620.08x = 7,910,193.96 × 4,278,792.74 - Step 4: Simplify right side
5,731,620.08x = 33,846,080,488,039.85 - Step 5: Solve for x
x = 33,846,080,488,039.85/5,731,620.08 - Step 6: Final answer
x = 5,905,150.73
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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.