Finding the Fourth Proportional to 5,393,120.11, 7,432,881.19 and 4,083,233.63
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Solution
The fourth proportional to 5,393,120.11, 7,432,881.19 and 4,083,233.63 is: 5,627,575.46
Step by Step Solution
- Step 1: Write the proportion equation
5,393,120.11 : 7,432,881.19 = 4,083,233.63 : x - Step 2: Convert to fraction form
5,393,120.11/7,432,881.19 = 4,083,233.63/x - Step 3: Cross multiply
5,393,120.11x = 7,432,881.19 × 4,083,233.63 - Step 4: Simplify right side
5,393,120.11x = 30,350,190,395,429.93 - Step 5: Solve for x
x = 30,350,190,395,429.93/5,393,120.11 - Step 6: Final answer
x = 5,627,575.46
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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.