Finding the Fourth Proportional to 4,989,605.82, 7,481,190.81 and 1,957,278.08
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Solution
The fourth proportional to 4,989,605.82, 7,481,190.81 and 1,957,278.08 is: 2,934,654.82
Step by Step Solution
- Step 1: Write the proportion equation
4,989,605.82 : 7,481,190.81 = 1,957,278.08 : x - Step 2: Convert to fraction form
4,989,605.82/7,481,190.81 = 1,957,278.08/x - Step 3: Cross multiply
4,989,605.82x = 7,481,190.81 × 1,957,278.08 - Step 4: Simplify right side
4,989,605.82x = 14,642,770,784,710.45 - Step 5: Solve for x
x = 14,642,770,784,710.45/4,989,605.82 - Step 6: Final answer
x = 2,934,654.82
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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.