Finding the Fourth Proportional to 5,413,352.55, 7,467,922.39 and 4,793,789.12
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Solution
The fourth proportional to 5,413,352.55, 7,467,922.39 and 4,793,789.12 is: 6,613,211.45
Step by Step Solution
- Step 1: Write the proportion equation
5,413,352.55 : 7,467,922.39 = 4,793,789.12 : x - Step 2: Convert to fraction form
5,413,352.55/7,467,922.39 = 4,793,789.12/x - Step 3: Cross multiply
5,413,352.55x = 7,467,922.39 × 4,793,789.12 - Step 4: Simplify right side
5,413,352.55x = 35,799,645,052,862.31 - Step 5: Solve for x
x = 35,799,645,052,862.31/5,413,352.55 - Step 6: Final answer
x = 6,613,211.45
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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.