Finding the Fourth Proportional to 4,418,391.16, 6,627,520.19 and 1,987,827.94
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Solution
The fourth proportional to 4,418,391.16, 6,627,520.19 and 1,987,827.94 is: 2,981,711.96
Step by Step Solution
- Step 1: Write the proportion equation
4,418,391.16 : 6,627,520.19 = 1,987,827.94 : x - Step 2: Convert to fraction form
4,418,391.16/6,627,520.19 = 1,987,827.94/x - Step 3: Cross multiply
4,418,391.16x = 6,627,520.19 × 1,987,827.94 - Step 4: Simplify right side
4,418,391.16x = 13,174,369,771,388.74 - Step 5: Solve for x
x = 13,174,369,771,388.74/4,418,391.16 - Step 6: Final answer
x = 2,981,711.96
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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.