Finding the Fourth Proportional to 5,305,843.16, 7,316,861.92 and 3,368,740.70
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Solution
The fourth proportional to 5,305,843.16, 7,316,861.92 and 3,368,740.70 is: 4,645,559.58
Step by Step Solution
- Step 1: Write the proportion equation
5,305,843.16 : 7,316,861.92 = 3,368,740.70 : x - Step 2: Convert to fraction form
5,305,843.16/7,316,861.92 = 3,368,740.70/x - Step 3: Cross multiply
5,305,843.16x = 7,316,861.92 × 3,368,740.70 - Step 4: Simplify right side
5,305,843.16x = 24,648,610,546,184.14 - Step 5: Solve for x
x = 24,648,610,546,184.14/5,305,843.16 - Step 6: Final answer
x = 4,645,559.58
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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.