Finding the Fourth Proportional to 2,515,551.70, 3,471,083.92 and 1,412,940.80
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Solution
The fourth proportional to 2,515,551.70, 3,471,083.92 and 1,412,940.80 is: 1,949,646.31
Step by Step Solution
- Step 1: Write the proportion equation
2,515,551.70 : 3,471,083.92 = 1,412,940.80 : x - Step 2: Convert to fraction form
2,515,551.70/3,471,083.92 = 1,412,940.80/x - Step 3: Cross multiply
2,515,551.70x = 3,471,083.92 × 1,412,940.80 - Step 4: Simplify right side
2,515,551.70x = 4,904,436,090,791.94 - Step 5: Solve for x
x = 4,904,436,090,791.94/2,515,551.70 - Step 6: Final answer
x = 1,949,646.31
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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.