Finding the Fourth Proportional to 2,117,555.97, 3,174,548.13 and 918,575.07
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Solution
The fourth proportional to 2,117,555.97, 3,174,548.13 and 918,575.07 is: 1,377,087.93
Step by Step Solution
- Step 1: Write the proportion equation
2,117,555.97 : 3,174,548.13 = 918,575.07 : x - Step 2: Convert to fraction form
2,117,555.97/3,174,548.13 = 918,575.07/x - Step 3: Cross multiply
2,117,555.97x = 3,174,548.13 × 918,575.07 - Step 4: Simplify right side
2,117,555.97x = 2,916,060,770,733.12 - Step 5: Solve for x
x = 2,916,060,770,733.12/2,117,555.97 - Step 6: Final answer
x = 1,377,087.93
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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.