Finding the Fourth Proportional to 3,855,268.88, 5,782,861.48 and 1,580,286.08
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Solution
The fourth proportional to 3,855,268.88, 5,782,861.48 and 1,580,286.08 is: 2,370,411.97
Step by Step Solution
- Step 1: Write the proportion equation
3,855,268.88 : 5,782,861.48 = 1,580,286.08 : x - Step 2: Convert to fraction form
3,855,268.88/5,782,861.48 = 1,580,286.08/x - Step 3: Cross multiply
3,855,268.88x = 5,782,861.48 × 1,580,286.08 - Step 4: Simplify right side
3,855,268.88x = 9,138,575,499,412.20 - Step 5: Solve for x
x = 9,138,575,499,412.20/3,855,268.88 - Step 6: Final answer
x = 2,370,411.97
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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.