Finding the Fourth Proportional to 3,723,441.14, 5,138,765.82 and 2,254,159.53
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Solution
The fourth proportional to 3,723,441.14, 5,138,765.82 and 2,254,159.53 is: 3,110,992.63
Step by Step Solution
- Step 1: Write the proportion equation
3,723,441.14 : 5,138,765.82 = 2,254,159.53 : x - Step 2: Convert to fraction form
3,723,441.14/5,138,765.82 = 2,254,159.53/x - Step 3: Cross multiply
3,723,441.14x = 5,138,765.82 × 2,254,159.53 - Step 4: Simplify right side
3,723,441.14x = 11,583,597,945,591.26 - Step 5: Solve for x
x = 11,583,597,945,591.26/3,723,441.14 - Step 6: Final answer
x = 3,110,992.63
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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.