Finding the Fourth Proportional to 5,394,975.12, 8,087,202.88 and 2,155,546.96
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Solution
The fourth proportional to 5,394,975.12, 8,087,202.88 and 2,155,546.96 is: 3,231,218.90
Step by Step Solution
- Step 1: Write the proportion equation
5,394,975.12 : 8,087,202.88 = 2,155,546.96 : x - Step 2: Convert to fraction form
5,394,975.12/8,087,202.88 = 2,155,546.96/x - Step 3: Cross multiply
5,394,975.12x = 8,087,202.88 × 2,155,546.96 - Step 4: Simplify right side
5,394,975.12x = 17,432,345,582,887.24 - Step 5: Solve for x
x = 17,432,345,582,887.24/5,394,975.12 - Step 6: Final answer
x = 3,231,218.90
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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.