Finding the Fourth Proportional to 5,349,748.13, 7,382,651.55 and 3,057,958.03
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Solution
The fourth proportional to 5,349,748.13, 7,382,651.55 and 3,057,958.03 is: 4,219,981.58
Step by Step Solution
- Step 1: Write the proportion equation
5,349,748.13 : 7,382,651.55 = 3,057,958.03 : x - Step 2: Convert to fraction form
5,349,748.13/7,382,651.55 = 3,057,958.03/x - Step 3: Cross multiply
5,349,748.13x = 7,382,651.55 × 3,057,958.03 - Step 4: Simplify right side
5,349,748.13x = 22,575,838,590,014.45 - Step 5: Solve for x
x = 22,575,838,590,014.45/5,349,748.13 - Step 6: Final answer
x = 4,219,981.58
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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.