Finding the Fourth Proportional to 3,855,345.68, 5,320,406.76 and 2,136,494
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Solution
The fourth proportional to 3,855,345.68, 5,320,406.76 and 2,136,494 is: 2,948,378.19
Step by Step Solution
- Step 1: Write the proportion equation
3,855,345.68 : 5,320,406.76 = 2,136,494 : x - Step 2: Convert to fraction form
3,855,345.68/5,320,406.76 = 2,136,494/x - Step 3: Cross multiply
3,855,345.68x = 5,320,406.76 × 2,136,494 - Step 4: Simplify right side
3,855,345.68x = 11,367,017,120,299.44 - Step 5: Solve for x
x = 11,367,017,120,299.44/3,855,345.68 - Step 6: Final answer
x = 2,948,378.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.