Finding the Fourth Proportional to 5,905,417.50, 8,149,476.26 and 3,189,163.50
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Solution
The fourth proportional to 5,905,417.50, 8,149,476.26 and 3,189,163.50 is: 4,401,045.69
Step by Step Solution
- Step 1: Write the proportion equation
5,905,417.50 : 8,149,476.26 = 3,189,163.50 : x - Step 2: Convert to fraction form
5,905,417.50/8,149,476.26 = 3,189,163.50/x - Step 3: Cross multiply
5,905,417.50x = 8,149,476.26 × 3,189,163.50 - Step 4: Simplify right side
5,905,417.50x = 25,990,012,232,508.51 - Step 5: Solve for x
x = 25,990,012,232,508.51/5,905,417.50 - Step 6: Final answer
x = 4,401,045.69
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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.