Finding the Fourth Proportional to 3,313,319.63, 4,970,505.41 and 1,068,932.75
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Solution
The fourth proportional to 3,313,319.63, 4,970,505.41 and 1,068,932.75 is: 1,603,568.81
Step by Step Solution
- Step 1: Write the proportion equation
3,313,319.63 : 4,970,505.41 = 1,068,932.75 : x - Step 2: Convert to fraction form
3,313,319.63/4,970,505.41 = 1,068,932.75/x - Step 3: Cross multiply
3,313,319.63x = 4,970,505.41 × 1,068,932.75 - Step 4: Simplify right side
3,313,319.63x = 5,313,136,011,456.51 - Step 5: Solve for x
x = 5,313,136,011,456.51/3,313,319.63 - Step 6: Final answer
x = 1,603,568.81
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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.