Finding the Fourth Proportional to 3,963,453.98, 5,469,577.08 and 2,331,922.82
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Solution
The fourth proportional to 3,963,453.98, 5,469,577.08 and 2,331,922.82 is: 3,218,059.72
Step by Step Solution
- Step 1: Write the proportion equation
3,963,453.98 : 5,469,577.08 = 2,331,922.82 : x - Step 2: Convert to fraction form
3,963,453.98/5,469,577.08 = 2,331,922.82/x - Step 3: Cross multiply
3,963,453.98x = 5,469,577.08 × 2,331,922.82 - Step 4: Simplify right side
3,963,453.98x = 12,754,631,608,600.96 - Step 5: Solve for x
x = 12,754,631,608,600.96/3,963,453.98 - Step 6: Final answer
x = 3,218,059.72
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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.