Finding the Fourth Proportional to 5,710,243.45, 7,880,425.19 and 3,132,164.65
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Solution
The fourth proportional to 5,710,243.45, 7,880,425.19 and 3,132,164.65 is: 4,322,545.86
Step by Step Solution
- Step 1: Write the proportion equation
5,710,243.45 : 7,880,425.19 = 3,132,164.65 : x - Step 2: Convert to fraction form
5,710,243.45/7,880,425.19 = 3,132,164.65/x - Step 3: Cross multiply
5,710,243.45x = 7,880,425.19 × 3,132,164.65 - Step 4: Simplify right side
5,710,243.45x = 24,682,789,207,087.54 - Step 5: Solve for x
x = 24,682,789,207,087.54/5,710,243.45 - Step 6: Final answer
x = 4,322,545.86
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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.