Finding the Fourth Proportional to 2,875,665.69, 3,968,391.29 and 1,586,516.49
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Solution
The fourth proportional to 2,875,665.69, 3,968,391.29 and 1,586,516.49 is: 2,189,377.66
Step by Step Solution
- Step 1: Write the proportion equation
2,875,665.69 : 3,968,391.29 = 1,586,516.49 : x - Step 2: Convert to fraction form
2,875,665.69/3,968,391.29 = 1,586,516.49/x - Step 3: Cross multiply
2,875,665.69x = 3,968,391.29 × 1,586,516.49 - Step 4: Simplify right side
2,875,665.69x = 6,295,918,212,424.79 - Step 5: Solve for x
x = 6,295,918,212,424.79/2,875,665.69 - Step 6: Final answer
x = 2,189,377.66
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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.