Finding the Fourth Proportional to 5,720,023.08, 7,893,785.97 and 3,365,385.12
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Solution
The fourth proportional to 5,720,023.08, 7,893,785.97 and 3,365,385.12 is: 4,644,322.14
Step by Step Solution
- Step 1: Write the proportion equation
5,720,023.08 : 7,893,785.97 = 3,365,385.12 : x - Step 2: Convert to fraction form
5,720,023.08/7,893,785.97 = 3,365,385.12/x - Step 3: Cross multiply
5,720,023.08x = 7,893,785.97 × 3,365,385.12 - Step 4: Simplify right side
5,720,023.08x = 26,565,629,843,902.77 - Step 5: Solve for x
x = 26,565,629,843,902.77/5,720,023.08 - Step 6: Final answer
x = 4,644,322.14
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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.