Finding the Fourth Proportional to 4,881,678.40, 7,321,205.40 and 2,041,202.80
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Solution
The fourth proportional to 4,881,678.40, 7,321,205.40 and 2,041,202.80 is: 3,061,255.52
Step by Step Solution
- Step 1: Write the proportion equation
4,881,678.40 : 7,321,205.40 = 2,041,202.80 : x - Step 2: Convert to fraction form
4,881,678.40/7,321,205.40 = 2,041,202.80/x - Step 3: Cross multiply
4,881,678.40x = 7,321,205.40 × 2,041,202.80 - Step 4: Simplify right side
4,881,678.40x = 14,944,064,961,855.12 - Step 5: Solve for x
x = 14,944,064,961,855.12/4,881,678.40 - Step 6: Final answer
x = 3,061,255.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.