Finding the Fourth Proportional to 5,692,478.22, 7,855,591.95 and 3,114,112.14
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Solution
The fourth proportional to 5,692,478.22, 7,855,591.95 and 3,114,112.14 is: 4,297,459.44
Step by Step Solution
- Step 1: Write the proportion equation
5,692,478.22 : 7,855,591.95 = 3,114,112.14 : x - Step 2: Convert to fraction form
5,692,478.22/7,855,591.95 = 3,114,112.14/x - Step 3: Cross multiply
5,692,478.22x = 7,855,591.95 × 3,114,112.14 - Step 4: Simplify right side
5,692,478.22x = 24,463,194,258,381.27 - Step 5: Solve for x
x = 24,463,194,258,381.27/5,692,478.22 - Step 6: Final answer
x = 4,297,459.44
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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.