Finding the Fourth Proportional to 5,241,912.98, 7,863,992.12 and 2,968,511.90
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Solution
The fourth proportional to 5,241,912.98, 7,863,992.12 and 2,968,511.90 is: 4,453,403.61
Step by Step Solution
- Step 1: Write the proportion equation
5,241,912.98 : 7,863,992.12 = 2,968,511.90 : x - Step 2: Convert to fraction form
5,241,912.98/7,863,992.12 = 2,968,511.90/x - Step 3: Cross multiply
5,241,912.98x = 7,863,992.12 × 2,968,511.90 - Step 4: Simplify right side
5,241,912.98x = 23,344,354,157,827.55 - Step 5: Solve for x
x = 23,344,354,157,827.55/5,241,912.98 - Step 6: Final answer
x = 4,453,403.61
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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.