Finding the Fourth Proportional to 5,009,214.76, 6,912,729.67 and 2,717,375.45
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Solution
The fourth proportional to 5,009,214.76, 6,912,729.67 and 2,717,375.45 is: 3,749,985.33
Step by Step Solution
- Step 1: Write the proportion equation
5,009,214.76 : 6,912,729.67 = 2,717,375.45 : x - Step 2: Convert to fraction form
5,009,214.76/6,912,729.67 = 2,717,375.45/x - Step 3: Cross multiply
5,009,214.76x = 6,912,729.67 × 2,717,375.45 - Step 4: Simplify right side
5,009,214.76x = 18,784,481,853,839.98 - Step 5: Solve for x
x = 18,784,481,853,839.98/5,009,214.76 - Step 6: Final answer
x = 3,749,985.33
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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.