Finding the Fourth Proportional to 5,388,217.19, 8,083,390.50 and 1,976,535.46
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Solution
The fourth proportional to 5,388,217.19, 8,083,390.50 and 1,976,535.46 is: 2,965,193.76
Step by Step Solution
- Step 1: Write the proportion equation
5,388,217.19 : 8,083,390.50 = 1,976,535.46 : x - Step 2: Convert to fraction form
5,388,217.19/8,083,390.50 = 1,976,535.46/x - Step 3: Cross multiply
5,388,217.19x = 8,083,390.50 × 1,976,535.46 - Step 4: Simplify right side
5,388,217.19x = 15,977,107,960,277.13 - Step 5: Solve for x
x = 15,977,107,960,277.13/5,388,217.19 - Step 6: Final answer
x = 2,965,193.76
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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.