Finding the Fourth Proportional to 2,278,211.14, 3,415,629.48 and 1,379,441.62
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Solution
The fourth proportional to 2,278,211.14, 3,415,629.48 and 1,379,441.62 is: 2,068,140.82
Step by Step Solution
- Step 1: Write the proportion equation
2,278,211.14 : 3,415,629.48 = 1,379,441.62 : x - Step 2: Convert to fraction form
2,278,211.14/3,415,629.48 = 1,379,441.62/x - Step 3: Cross multiply
2,278,211.14x = 3,415,629.48 × 1,379,441.62 - Step 4: Simplify right side
2,278,211.14x = 4,711,661,463,210.96 - Step 5: Solve for x
x = 4,711,661,463,210.96/2,278,211.14 - Step 6: Final answer
x = 2,068,140.82
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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.