Finding the Fourth Proportional to 5,726,163.80, 8,589,021.52 and 1,939,646.67
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Solution
The fourth proportional to 5,726,163.80, 8,589,021.52 and 1,939,646.67 is: 2,909,394.07
Step by Step Solution
- Step 1: Write the proportion equation
5,726,163.80 : 8,589,021.52 = 1,939,646.67 : x - Step 2: Convert to fraction form
5,726,163.80/8,589,021.52 = 1,939,646.67/x - Step 3: Cross multiply
5,726,163.80x = 8,589,021.52 × 1,939,646.67 - Step 4: Simplify right side
5,726,163.80x = 16,659,666,989,826.34 - Step 5: Solve for x
x = 16,659,666,989,826.34/5,726,163.80 - Step 6: Final answer
x = 2,909,394.07
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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.