Finding the Fourth Proportional to 3,212,853.68, 4,433,696.12 and 1,836,181.68
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Solution
The fourth proportional to 3,212,853.68, 4,433,696.12 and 1,836,181.68 is: 2,533,906.74
Step by Step Solution
- Step 1: Write the proportion equation
3,212,853.68 : 4,433,696.12 = 1,836,181.68 : x - Step 2: Convert to fraction form
3,212,853.68/4,433,696.12 = 1,836,181.68/x - Step 3: Cross multiply
3,212,853.68x = 4,433,696.12 × 1,836,181.68 - Step 4: Simplify right side
3,212,853.68x = 8,141,071,590,231.08 - Step 5: Solve for x
x = 8,141,071,590,231.08/3,212,853.68 - Step 6: Final answer
x = 2,533,906.74
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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.