Finding the Fourth Proportional to 2,080,825.20, 3,115,911.24 and 1,440,243.18
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Solution
The fourth proportional to 2,080,825.20, 3,115,911.24 and 1,440,243.18 is: 2,156,677.99
Step by Step Solution
- Step 1: Write the proportion equation
2,080,825.20 : 3,115,911.24 = 1,440,243.18 : x - Step 2: Convert to fraction form
2,080,825.20/3,115,911.24 = 1,440,243.18/x - Step 3: Cross multiply
2,080,825.20x = 3,115,911.24 × 1,440,243.18 - Step 4: Simplify right side
2,080,825.20x = 4,487,669,912,895.34 - Step 5: Solve for x
x = 4,487,669,912,895.34/2,080,825.20 - Step 6: Final answer
x = 2,156,677.99
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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.