Finding the Fourth Proportional to 1,305,646.25, 1,957,839.45 and 547,284.09
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Solution
The fourth proportional to 1,305,646.25, 1,957,839.45 and 547,284.09 is: 820,662.09
Step by Step Solution
- Step 1: Write the proportion equation
1,305,646.25 : 1,957,839.45 = 547,284.09 : x - Step 2: Convert to fraction form
1,305,646.25/1,957,839.45 = 547,284.09/x - Step 3: Cross multiply
1,305,646.25x = 1,957,839.45 × 547,284.09 - Step 4: Simplify right side
1,305,646.25x = 1,071,494,381,759.35 - Step 5: Solve for x
x = 1,071,494,381,759.35/1,305,646.25 - Step 6: Final answer
x = 820,662.09
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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.