Finding the Fourth Proportional to 3,654,489.87, 5,043,134.98 and 2,022,862.23
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Solution
The fourth proportional to 3,654,489.87, 5,043,134.98 and 2,022,862.23 is: 2,791,516.09
Step by Step Solution
- Step 1: Write the proportion equation
3,654,489.87 : 5,043,134.98 = 2,022,862.23 : x - Step 2: Convert to fraction form
3,654,489.87/5,043,134.98 = 2,022,862.23/x - Step 3: Cross multiply
3,654,489.87x = 5,043,134.98 × 2,022,862.23 - Step 4: Simplify right side
3,654,489.87x = 10,201,567,277,167.60 - Step 5: Solve for x
x = 10,201,567,277,167.60/3,654,489.87 - Step 6: Final answer
x = 2,791,516.09
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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.