Finding the Fourth Proportional to 3,664,629.53, 5,055,087.65 and 2,285,579.05
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Solution
The fourth proportional to 3,664,629.53, 5,055,087.65 and 2,285,579.05 is: 3,152,788.66
Step by Step Solution
- Step 1: Write the proportion equation
3,664,629.53 : 5,055,087.65 = 2,285,579.05 : x - Step 2: Convert to fraction form
3,664,629.53/5,055,087.65 = 2,285,579.05/x - Step 3: Cross multiply
3,664,629.53x = 5,055,087.65 × 2,285,579.05 - Step 4: Simplify right side
3,664,629.53x = 11,553,802,428,753.73 - Step 5: Solve for x
x = 11,553,802,428,753.73/3,664,629.53 - Step 6: Final answer
x = 3,152,788.66
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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.