Finding the Fourth Proportional to 3,601,943.62, 4,970,800.72 and 1,970,313.68
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Solution
The fourth proportional to 3,601,943.62, 4,970,800.72 and 1,970,313.68 is: 2,719,097.71
Step by Step Solution
- Step 1: Write the proportion equation
3,601,943.62 : 4,970,800.72 = 1,970,313.68 : x - Step 2: Convert to fraction form
3,601,943.62/4,970,800.72 = 1,970,313.68/x - Step 3: Cross multiply
3,601,943.62x = 4,970,800.72 × 1,970,313.68 - Step 4: Simplify right side
3,601,943.62x = 9,794,036,659,169.85 - Step 5: Solve for x
x = 9,794,036,659,169.85/3,601,943.62 - Step 6: Final answer
x = 2,719,097.71
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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.