Finding the Fourth Proportional to 5,087,548.12, 7,021,207 and 2,912,773.44
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Solution
The fourth proportional to 5,087,548.12, 7,021,207 and 2,912,773.44 is: 4,019,850.97
Step by Step Solution
- Step 1: Write the proportion equation
5,087,548.12 : 7,021,207 = 2,912,773.44 : x - Step 2: Convert to fraction form
5,087,548.12/7,021,207 = 2,912,773.44/x - Step 3: Cross multiply
5,087,548.12x = 7,021,207 × 2,912,773.44 - Step 4: Simplify right side
5,087,548.12x = 20,451,185,266,342.08 - Step 5: Solve for x
x = 20,451,185,266,342.08/5,087,548.12 - Step 6: Final answer
x = 4,019,850.97
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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.