Finding the Fourth Proportional to 2,942,514.57, 4,413,854.68 and 812,598.70
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Solution
The fourth proportional to 2,942,514.57, 4,413,854.68 and 812,598.70 is: 1,218,920.92
Step by Step Solution
- Step 1: Write the proportion equation
2,942,514.57 : 4,413,854.68 = 812,598.70 : x - Step 2: Convert to fraction form
2,942,514.57/4,413,854.68 = 812,598.70/x - Step 3: Cross multiply
2,942,514.57x = 4,413,854.68 × 812,598.70 - Step 4: Simplify right side
2,942,514.57x = 3,586,692,574,737.63 - Step 5: Solve for x
x = 3,586,692,574,737.63/2,942,514.57 - Step 6: Final answer
x = 1,218,920.92
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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.