Finding the Fourth Proportional to 3,809,489.19, 5,255,598.49 and 2,177,020.75
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Solution
The fourth proportional to 3,809,489.19, 5,255,598.49 and 2,177,020.75 is: 3,003,433.37
Step by Step Solution
- Step 1: Write the proportion equation
3,809,489.19 : 5,255,598.49 = 2,177,020.75 : x - Step 2: Convert to fraction form
3,809,489.19/5,255,598.49 = 2,177,020.75/x - Step 3: Cross multiply
3,809,489.19x = 5,255,598.49 × 2,177,020.75 - Step 4: Simplify right side
3,809,489.19x = 11,441,546,966,398.67 - Step 5: Solve for x
x = 11,441,546,966,398.67/3,809,489.19 - Step 6: Final answer
x = 3,003,433.37
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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.