Finding the Fourth Proportional to 4,939,433.68, 7,403,745.60 and 2,543,422.12
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Solution
The fourth proportional to 4,939,433.68, 7,403,745.60 and 2,543,422.12 is: 3,812,350.07
Step by Step Solution
- Step 1: Write the proportion equation
4,939,433.68 : 7,403,745.60 = 2,543,422.12 : x - Step 2: Convert to fraction form
4,939,433.68/7,403,745.60 = 2,543,422.12/x - Step 3: Cross multiply
4,939,433.68x = 7,403,745.60 × 2,543,422.12 - Step 4: Simplify right side
4,939,433.68x = 18,830,850,329,892.67 - Step 5: Solve for x
x = 18,830,850,329,892.67/4,939,433.68 - Step 6: Final answer
x = 3,812,350.07
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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.