Finding the Fourth Proportional to 6,394,405.80, 9,591,608.70 and 5,871,858.60
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Solution
The fourth proportional to 6,394,405.80, 9,591,608.70 and 5,871,858.60 is: 8,807,787.90
Step by Step Solution
- Step 1: Write the proportion equation
6,394,405.80 : 9,591,608.70 = 5,871,858.60 : x - Step 2: Convert to fraction form
6,394,405.80/9,591,608.70 = 5,871,858.60/x - Step 3: Cross multiply
6,394,405.80x = 9,591,608.70 × 5,871,858.60 - Step 4: Simplify right side
6,394,405.80x = 56,320,570,032,929.81 - Step 5: Solve for x
x = 56,320,570,032,929.81/6,394,405.80 - Step 6: Final answer
x = 8,807,787.90
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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.