Finding the Fourth Proportional to 5,777,536.48, 7,972,988.15 and 3,330,131.00
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Solution
The fourth proportional to 5,777,536.48, 7,972,988.15 and 3,330,131.00 is: 4,595,573.75
Step by Step Solution
- Step 1: Write the proportion equation
5,777,536.48 : 7,972,988.15 = 3,330,131.00 : x - Step 2: Convert to fraction form
5,777,536.48/7,972,988.15 = 3,330,131.00/x - Step 3: Cross multiply
5,777,536.48x = 7,972,988.15 × 3,330,131.00 - Step 4: Simplify right side
5,777,536.48x = 26,551,094,969,408.04 - Step 5: Solve for x
x = 26,551,094,969,408.04/5,777,536.48 - Step 6: Final answer
x = 4,595,573.75
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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.