Finding the Fourth Proportional to 3,545,372.64, 5,318,067.60 and 1,415,629.92
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Solution
The fourth proportional to 3,545,372.64, 5,318,067.60 and 1,415,629.92 is: 2,123,448.33
Step by Step Solution
- Step 1: Write the proportion equation
3,545,372.64 : 5,318,067.60 = 1,415,629.92 : x - Step 2: Convert to fraction form
3,545,372.64/5,318,067.60 = 1,415,629.92/x - Step 3: Cross multiply
3,545,372.64x = 5,318,067.60 × 1,415,629.92 - Step 4: Simplify right side
3,545,372.64x = 7,528,415,611,142.59 - Step 5: Solve for x
x = 7,528,415,611,142.59/3,545,372.64 - Step 6: Final answer
x = 2,123,448.33
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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.