Finding the Fourth Proportional to 4,088,272.21, 5,642,063.38 and 2,252,728.28
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Solution
The fourth proportional to 4,088,272.21, 5,642,063.38 and 2,252,728.28 is: 3,108,901.52
Step by Step Solution
- Step 1: Write the proportion equation
4,088,272.21 : 5,642,063.38 = 2,252,728.28 : x - Step 2: Convert to fraction form
4,088,272.21/5,642,063.38 = 2,252,728.28/x - Step 3: Cross multiply
4,088,272.21x = 5,642,063.38 × 2,252,728.28 - Step 4: Simplify right side
4,088,272.21x = 12,710,035,699,836.25 - Step 5: Solve for x
x = 12,710,035,699,836.25/4,088,272.21 - Step 6: Final answer
x = 3,108,901.52
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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.