Finding the Fourth Proportional to 3,622,341.12, 4,998,627.36 and 2,171,310.36
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Solution
The fourth proportional to 3,622,341.12, 4,998,627.36 and 2,171,310.36 is: 2,996,286.38
Step by Step Solution
- Step 1: Write the proportion equation
3,622,341.12 : 4,998,627.36 = 2,171,310.36 : x - Step 2: Convert to fraction form
3,622,341.12/4,998,627.36 = 2,171,310.36/x - Step 3: Cross multiply
3,622,341.12x = 4,998,627.36 × 2,171,310.36 - Step 4: Simplify right side
3,622,341.12x = 10,853,571,372,547.45 - Step 5: Solve for x
x = 10,853,571,372,547.45/3,622,341.12 - Step 6: Final answer
x = 2,996,286.38
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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.