Finding the Fourth Proportional to 3,921,866.70, 5,883,138.94 and 1,081,978.84
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Solution
The fourth proportional to 3,921,866.70, 5,883,138.94 and 1,081,978.84 is: 1,623,061.75
Step by Step Solution
- Step 1: Write the proportion equation
3,921,866.70 : 5,883,138.94 = 1,081,978.84 : x - Step 2: Convert to fraction form
3,921,866.70/5,883,138.94 = 1,081,978.84/x - Step 3: Cross multiply
3,921,866.70x = 5,883,138.94 × 1,081,978.84 - Step 4: Simplify right side
3,921,866.70x = 6,365,431,845,860.03 - Step 5: Solve for x
x = 6,365,431,845,860.03/3,921,866.70 - Step 6: Final answer
x = 1,623,061.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.