Finding the Fourth Proportional to 3,921,856.13, 5,883,123.07 and 1,081,968.29
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Solution
The fourth proportional to 3,921,856.13, 5,883,123.07 and 1,081,968.29 is: 1,623,045.92
Step by Step Solution
- Step 1: Write the proportion equation
3,921,856.13 : 5,883,123.07 = 1,081,968.29 : x - Step 2: Convert to fraction form
3,921,856.13/5,883,123.07 = 1,081,968.29/x - Step 3: Cross multiply
3,921,856.13x = 5,883,123.07 × 1,081,968.29 - Step 4: Simplify right side
3,921,856.13x = 6,365,352,601,906.01 - Step 5: Solve for x
x = 6,365,352,601,906.01/3,921,856.13 - Step 6: Final answer
x = 1,623,045.92
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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.