Finding the Fourth Proportional to 1,676,277.70, 2,514,806.97 and 478,216.42
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Solution
The fourth proportional to 1,676,277.70, 2,514,806.97 and 478,216.42 is: 717,436.01
Step by Step Solution
- Step 1: Write the proportion equation
1,676,277.70 : 2,514,806.97 = 478,216.42 : x - Step 2: Convert to fraction form
1,676,277.70/2,514,806.97 = 478,216.42/x - Step 3: Cross multiply
1,676,277.70x = 2,514,806.97 × 478,216.42 - Step 4: Simplify right side
1,676,277.70x = 1,202,621,986,184.45 - Step 5: Solve for x
x = 1,202,621,986,184.45/1,676,277.70 - Step 6: Final answer
x = 717,436.01
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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.