Finding the Fourth Proportional to 3,921,863.06, 5,883,133.49 and 1,081,975.22
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Solution
The fourth proportional to 3,921,863.06, 5,883,133.49 and 1,081,975.22 is: 1,623,056.32
Step by Step Solution
- Step 1: Write the proportion equation
3,921,863.06 : 5,883,133.49 = 1,081,975.22 : x - Step 2: Convert to fraction form
3,921,863.06/5,883,133.49 = 1,081,975.22/x - Step 3: Cross multiply
3,921,863.06x = 5,883,133.49 × 1,081,975.22 - Step 4: Simplify right side
3,921,863.06x = 6,365,404,617,306.58 - Step 5: Solve for x
x = 6,365,404,617,306.58/3,921,863.06 - Step 6: Final answer
x = 1,623,056.32
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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.