Finding the Fourth Proportional to 4,989,604.83, 7,481,189.31 and 1,957,277.09
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Solution
The fourth proportional to 4,989,604.83, 7,481,189.31 and 1,957,277.09 is: 2,934,653.33
Step by Step Solution
- Step 1: Write the proportion equation
4,989,604.83 : 7,481,189.31 = 1,957,277.09 : x - Step 2: Convert to fraction form
4,989,604.83/7,481,189.31 = 1,957,277.09/x - Step 3: Cross multiply
4,989,604.83x = 7,481,189.31 × 1,957,277.09 - Step 4: Simplify right side
4,989,604.83x = 14,642,760,405,009.96 - Step 5: Solve for x
x = 14,642,760,405,009.96/4,989,604.83 - Step 6: Final answer
x = 2,934,653.33
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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.