Finding the Fourth Proportional to 2,228,463.20, 3,078,163.96 and 1,842,836.28
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Solution
The fourth proportional to 2,228,463.20, 3,078,163.96 and 1,842,836.28 is: 2,545,499.62
Step by Step Solution
- Step 1: Write the proportion equation
2,228,463.20 : 3,078,163.96 = 1,842,836.28 : x - Step 2: Convert to fraction form
2,228,463.20/3,078,163.96 = 1,842,836.28/x - Step 3: Cross multiply
2,228,463.20x = 3,078,163.96 × 1,842,836.28 - Step 4: Simplify right side
2,228,463.20x = 5,672,552,221,276.47 - Step 5: Solve for x
x = 5,672,552,221,276.47/2,228,463.20 - Step 6: Final answer
x = 2,545,499.62
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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.