Finding the Fourth Proportional to 3,788,099.74, 5,227,445.19 and 2,259,415.90
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Solution
The fourth proportional to 3,788,099.74, 5,227,445.19 and 2,259,415.90 is: 3,117,914.94
Step by Step Solution
- Step 1: Write the proportion equation
3,788,099.74 : 5,227,445.19 = 2,259,415.90 : x - Step 2: Convert to fraction form
3,788,099.74/5,227,445.19 = 2,259,415.90/x - Step 3: Cross multiply
3,788,099.74x = 5,227,445.19 × 2,259,415.90 - Step 4: Simplify right side
3,788,099.74x = 11,810,972,778,664.52 - Step 5: Solve for x
x = 11,810,972,778,664.52/3,788,099.74 - Step 6: Final answer
x = 3,117,914.94
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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.