Finding the Fourth Proportional to 1,793,136.13, 2,689,690.79 and 513,744.69
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Solution
The fourth proportional to 1,793,136.13, 2,689,690.79 and 513,744.69 is: 770,613.19
Step by Step Solution
- Step 1: Write the proportion equation
1,793,136.13 : 2,689,690.79 = 513,744.69 : x - Step 2: Convert to fraction form
1,793,136.13/2,689,690.79 = 513,744.69/x - Step 3: Cross multiply
1,793,136.13x = 2,689,690.79 × 513,744.69 - Step 4: Simplify right side
1,793,136.13x = 1,381,814,361,104.41 - Step 5: Solve for x
x = 1,381,814,361,104.41/1,793,136.13 - Step 6: Final answer
x = 770,613.19
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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.