Finding the Fourth Proportional to 5,425,922.84, 7,488,151.98 and 3,587,186.48
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Solution
The fourth proportional to 5,425,922.84, 7,488,151.98 and 3,587,186.48 is: 4,950,567.55
Step by Step Solution
- Step 1: Write the proportion equation
5,425,922.84 : 7,488,151.98 = 3,587,186.48 : x - Step 2: Convert to fraction form
5,425,922.84/7,488,151.98 = 3,587,186.48/x - Step 3: Cross multiply
5,425,922.84x = 7,488,151.98 × 3,587,186.48 - Step 4: Simplify right side
5,425,922.84x = 26,861,397,542,841.23 - Step 5: Solve for x
x = 26,861,397,542,841.23/5,425,922.84 - Step 6: Final answer
x = 4,950,567.55
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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.