Finding the Fourth Proportional to 5,545,153.33, 7,691,460.62 and 5,397,678.45
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Solution
The fourth proportional to 5,545,153.33, 7,691,460.62 and 5,397,678.45 is: 7,486,904.11
Step by Step Solution
- Step 1: Write the proportion equation
5,545,153.33 : 7,691,460.62 = 5,397,678.45 : x - Step 2: Convert to fraction form
5,545,153.33/7,691,460.62 = 5,397,678.45/x - Step 3: Cross multiply
5,545,153.33x = 7,691,460.62 × 5,397,678.45 - Step 4: Simplify right side
5,545,153.33x = 41,516,031,237,597.64 - Step 5: Solve for x
x = 41,516,031,237,597.64/5,545,153.33 - Step 6: Final answer
x = 7,486,904.11
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.