Finding the Fourth Proportional to 3,530,165.42, 5,295,239.45 and 1,992,463.75
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Solution
The fourth proportional to 3,530,165.42, 5,295,239.45 and 1,992,463.75 is: 2,988,690.73
Step by Step Solution
- Step 1: Write the proportion equation
3,530,165.42 : 5,295,239.45 = 1,992,463.75 : x - Step 2: Convert to fraction form
3,530,165.42/5,295,239.45 = 1,992,463.75/x - Step 3: Cross multiply
3,530,165.42x = 5,295,239.45 × 1,992,463.75 - Step 4: Simplify right side
3,530,165.42x = 10,550,572,651,694.94 - Step 5: Solve for x
x = 10,550,572,651,694.94/3,530,165.42 - Step 6: Final answer
x = 2,988,690.73
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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.