Finding the Fourth Proportional to 3,686,095.24, 5,531,632.81 and 1,289,960.63
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Solution
The fourth proportional to 3,686,095.24, 5,531,632.81 and 1,289,960.63 is: 1,935,812.31
Step by Step Solution
- Step 1: Write the proportion equation
3,686,095.24 : 5,531,632.81 = 1,289,960.63 : x - Step 2: Convert to fraction form
3,686,095.24/5,531,632.81 = 1,289,960.63/x - Step 3: Cross multiply
3,686,095.24x = 5,531,632.81 × 1,289,960.63 - Step 4: Simplify right side
3,686,095.24x = 7,135,588,544,516.27 - Step 5: Solve for x
x = 7,135,588,544,516.27/3,686,095.24 - Step 6: Final answer
x = 1,935,812.31
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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.