Finding the Fourth Proportional to 2,526,660.10, 3,789,990.15 and 1,388,982.70
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Solution
The fourth proportional to 2,526,660.10, 3,789,990.15 and 1,388,982.70 is: 2,083,474.05
Step by Step Solution
- Step 1: Write the proportion equation
2,526,660.10 : 3,789,990.15 = 1,388,982.70 : x - Step 2: Convert to fraction form
2,526,660.10/3,789,990.15 = 1,388,982.70/x - Step 3: Cross multiply
2,526,660.10x = 3,789,990.15 × 1,388,982.70 - Step 4: Simplify right side
2,526,660.10x = 5,264,230,751,520.40 - Step 5: Solve for x
x = 5,264,230,751,520.40/2,526,660.10 - Step 6: Final answer
x = 2,083,474.05
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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.