Finding the Fourth Proportional to 3,958,613.94, 5,462,306.64 and 2,216,192.97
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Solution
The fourth proportional to 3,958,613.94, 5,462,306.64 and 2,216,192.97 is: 3,058,021.26
Step by Step Solution
- Step 1: Write the proportion equation
3,958,613.94 : 5,462,306.64 = 2,216,192.97 : x - Step 2: Convert to fraction form
3,958,613.94/5,462,306.64 = 2,216,192.97/x - Step 3: Cross multiply
3,958,613.94x = 5,462,306.64 × 2,216,192.97 - Step 4: Simplify right side
3,958,613.94x = 12,105,525,575,552.32 - Step 5: Solve for x
x = 12,105,525,575,552.32/3,958,613.94 - Step 6: Final answer
x = 3,058,021.26
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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.