Finding the Fourth Proportional to 5,481,560.99, 7,562,815.12 and 3,189,278.81
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Solution
The fourth proportional to 5,481,560.99, 7,562,815.12 and 3,189,278.81 is: 4,400,192.95
Step by Step Solution
- Step 1: Write the proportion equation
5,481,560.99 : 7,562,815.12 = 3,189,278.81 : x - Step 2: Convert to fraction form
5,481,560.99/7,562,815.12 = 3,189,278.81/x - Step 3: Cross multiply
5,481,560.99x = 7,562,815.12 × 3,189,278.81 - Step 4: Simplify right side
5,481,560.99x = 24,119,926,006,163.61 - Step 5: Solve for x
x = 24,119,926,006,163.61/5,481,560.99 - Step 6: Final answer
x = 4,400,192.95
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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.