Finding the Fourth Proportional to 4,524,328.72, 6,786,433.36 and 1,112,644.80
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Solution
The fourth proportional to 4,524,328.72, 6,786,433.36 and 1,112,644.80 is: 1,668,952.51
Step by Step Solution
- Step 1: Write the proportion equation
4,524,328.72 : 6,786,433.36 = 1,112,644.80 : x - Step 2: Convert to fraction form
4,524,328.72/6,786,433.36 = 1,112,644.80/x - Step 3: Cross multiply
4,524,328.72x = 6,786,433.36 × 1,112,644.80 - Step 4: Simplify right side
4,524,328.72x = 7,550,889,788,550.53 - Step 5: Solve for x
x = 7,550,889,788,550.53/4,524,328.72 - Step 6: Final answer
x = 1,668,952.51
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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.