Finding the Fourth Proportional to 5,404,830.92, 7,458,833.99 and 2,957,545.12
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Solution
The fourth proportional to 5,404,830.92, 7,458,833.99 and 2,957,545.12 is: 4,081,503.81
Step by Step Solution
- Step 1: Write the proportion equation
5,404,830.92 : 7,458,833.99 = 2,957,545.12 : x - Step 2: Convert to fraction form
5,404,830.92/7,458,833.99 = 2,957,545.12/x - Step 3: Cross multiply
5,404,830.92x = 7,458,833.99 × 2,957,545.12 - Step 4: Simplify right side
5,404,830.92x = 22,059,838,015,932.73 - Step 5: Solve for x
x = 22,059,838,015,932.73/5,404,830.92 - Step 6: Final answer
x = 4,081,503.81
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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.