Finding the Fourth Proportional to 4,440,668.12, 6,128,233.98 and 2,722,735.88
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Solution
The fourth proportional to 4,440,668.12, 6,128,233.98 and 2,722,735.88 is: 3,757,444.17
Step by Step Solution
- Step 1: Write the proportion equation
4,440,668.12 : 6,128,233.98 = 2,722,735.88 : x - Step 2: Convert to fraction form
4,440,668.12/6,128,233.98 = 2,722,735.88/x - Step 3: Cross multiply
4,440,668.12x = 6,128,233.98 × 2,722,735.88 - Step 4: Simplify right side
4,440,668.12x = 16,685,562,538,381.20 - Step 5: Solve for x
x = 16,685,562,538,381.20/4,440,668.12 - Step 6: Final answer
x = 3,757,444.17
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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.