Finding the Fourth Proportional to 5,235,386.12, 7,853,020.84 and 2,042,754.92
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Solution
The fourth proportional to 5,235,386.12, 7,853,020.84 and 2,042,754.92 is: 3,064,109.62
Step by Step Solution
- Step 1: Write the proportion equation
5,235,386.12 : 7,853,020.84 = 2,042,754.92 : x - Step 2: Convert to fraction form
5,235,386.12/7,853,020.84 = 2,042,754.92/x - Step 3: Cross multiply
5,235,386.12x = 7,853,020.84 × 2,042,754.92 - Step 4: Simplify right side
5,235,386.12x = 16,041,796,957,772.53 - Step 5: Solve for x
x = 16,041,796,957,772.53/5,235,386.12 - Step 6: Final answer
x = 3,064,109.62
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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.