Finding the Fourth Proportional to 3,368,144.79, 5,052,637.60 and 1,318,540.61
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Solution
The fourth proportional to 3,368,144.79, 5,052,637.60 and 1,318,540.61 is: 1,977,975.50
Step by Step Solution
- Step 1: Write the proportion equation
3,368,144.79 : 5,052,637.60 = 1,318,540.61 : x - Step 2: Convert to fraction form
3,368,144.79/5,052,637.60 = 1,318,540.61/x - Step 3: Cross multiply
3,368,144.79x = 5,052,637.60 × 1,318,540.61 - Step 4: Simplify right side
3,368,144.79x = 6,662,107,872,548.18 - Step 5: Solve for x
x = 6,662,107,872,548.18/3,368,144.79 - Step 6: Final answer
x = 1,977,975.50
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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.