Finding the Fourth Proportional to 3,622,473.20, 5,433,709.80 and 2,559,591.20
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Solution
The fourth proportional to 3,622,473.20, 5,433,709.80 and 2,559,591.20 is: 3,839,386.80
Step by Step Solution
- Step 1: Write the proportion equation
3,622,473.20 : 5,433,709.80 = 2,559,591.20 : x - Step 2: Convert to fraction form
3,622,473.20/5,433,709.80 = 2,559,591.20/x - Step 3: Cross multiply
3,622,473.20x = 5,433,709.80 × 2,559,591.20 - Step 4: Simplify right side
3,622,473.20x = 13,908,075,787,433.76 - Step 5: Solve for x
x = 13,908,075,787,433.76/3,622,473.20 - Step 6: Final answer
x = 3,839,386.80
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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.