Finding the Fourth Proportional to 5,381,287.35, 7,424,313.49 and 3,448,613.58
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Solution
The fourth proportional to 5,381,287.35, 7,424,313.49 and 3,448,613.58 is: 4,757,892.80
Step by Step Solution
- Step 1: Write the proportion equation
5,381,287.35 : 7,424,313.49 = 3,448,613.58 : x - Step 2: Convert to fraction form
5,381,287.35/7,424,313.49 = 3,448,613.58/x - Step 3: Cross multiply
5,381,287.35x = 7,424,313.49 × 3,448,613.58 - Step 4: Simplify right side
5,381,287.35x = 25,603,588,300,260.79 - Step 5: Solve for x
x = 25,603,588,300,260.79/5,381,287.35 - Step 6: Final answer
x = 4,757,892.80
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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.