Finding the Fourth Proportional to 3,228,771.64, 4,843,163.61 and 3,031,474.17
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Solution
The fourth proportional to 3,228,771.64, 4,843,163.61 and 3,031,474.17 is: 4,547,217.03
Step by Step Solution
- Step 1: Write the proportion equation
3,228,771.64 : 4,843,163.61 = 3,031,474.17 : x - Step 2: Convert to fraction form
3,228,771.64/4,843,163.61 = 3,031,474.17/x - Step 3: Cross multiply
3,228,771.64x = 4,843,163.61 × 3,031,474.17 - Step 4: Simplify right side
3,228,771.64x = 14,681,925,388,923.86 - Step 5: Solve for x
x = 14,681,925,388,923.86/3,228,771.64 - Step 6: Final answer
x = 4,547,217.03
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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.