Finding the Fourth Proportional to 6,394,486.95, 8,824,453.99 and 3,493,877.56
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Solution
The fourth proportional to 6,394,486.95, 8,824,453.99 and 3,493,877.56 is: 4,821,584.90
Step by Step Solution
- Step 1: Write the proportion equation
6,394,486.95 : 8,824,453.99 = 3,493,877.56 : x - Step 2: Convert to fraction form
6,394,486.95/8,824,453.99 = 3,493,877.56/x - Step 3: Cross multiply
6,394,486.95x = 8,824,453.99 × 3,493,877.56 - Step 4: Simplify right side
6,394,486.95x = 30,831,561,744,117.64 - Step 5: Solve for x
x = 30,831,561,744,117.64/6,394,486.95 - Step 6: Final answer
x = 4,821,584.90
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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.