Finding the Fourth Proportional to 6,863,418.90, 9,467,582.97 and 4,280,615.62
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Solution
The fourth proportional to 6,863,418.90, 9,467,582.97 and 4,280,615.62 is: 5,904,795.28
Step by Step Solution
- Step 1: Write the proportion equation
6,863,418.90 : 9,467,582.97 = 4,280,615.62 : x - Step 2: Convert to fraction form
6,863,418.90/9,467,582.97 = 4,280,615.62/x - Step 3: Cross multiply
6,863,418.90x = 9,467,582.97 × 4,280,615.62 - Step 4: Simplify right side
6,863,418.90x = 40,527,083,545,027.99 - Step 5: Solve for x
x = 40,527,083,545,027.99/6,863,418.90 - Step 6: Final answer
x = 5,904,795.28
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1.5x scale
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.