Finding the Fourth Proportional to 4,923,893.93, 6,796,107.39 and 2,887,359.53
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Solution
The fourth proportional to 4,923,893.93, 6,796,107.39 and 2,887,359.53 is: 3,985,220.99
Step by Step Solution
- Step 1: Write the proportion equation
4,923,893.93 : 6,796,107.39 = 2,887,359.53 : x - Step 2: Convert to fraction form
4,923,893.93/6,796,107.39 = 2,887,359.53/x - Step 3: Cross multiply
4,923,893.93x = 6,796,107.39 × 2,887,359.53 - Step 4: Simplify right side
4,923,893.93x = 19,622,805,439,419.93 - Step 5: Solve for x
x = 19,622,805,439,419.93/4,923,893.93 - Step 6: Final answer
x = 3,985,220.99
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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.