Finding the Fourth Proportional to 2,628,425.20, 3,937,108.20 and 2,186,057.20
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Solution
The fourth proportional to 2,628,425.20, 3,937,108.20 and 2,186,057.20 is: 3,274,486.84
Step by Step Solution
- Step 1: Write the proportion equation
2,628,425.20 : 3,937,108.20 = 2,186,057.20 : x - Step 2: Convert to fraction form
2,628,425.20/3,937,108.20 = 2,186,057.20/x - Step 3: Cross multiply
2,628,425.20x = 3,937,108.20 × 2,186,057.20 - Step 4: Simplify right side
2,628,425.20x = 8,606,743,727,789.04 - Step 5: Solve for x
x = 8,606,743,727,789.04/2,628,425.20 - Step 6: Final answer
x = 3,274,486.84
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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.