Finding the Fourth Proportional to 2,453,962.68, 3,385,591.94 and 1,420,906.68
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Solution
The fourth proportional to 2,453,962.68, 3,385,591.94 and 1,420,906.68 is: 1,960,343.67
Step by Step Solution
- Step 1: Write the proportion equation
2,453,962.68 : 3,385,591.94 = 1,420,906.68 : x - Step 2: Convert to fraction form
2,453,962.68/3,385,591.94 = 1,420,906.68/x - Step 3: Cross multiply
2,453,962.68x = 3,385,591.94 × 1,420,906.68 - Step 4: Simplify right side
2,453,962.68x = 4,810,610,203,300.16 - Step 5: Solve for x
x = 4,810,610,203,300.16/2,453,962.68 - Step 6: Final answer
x = 1,960,343.67
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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.