Finding the Fourth Proportional to 2,075,732.44, 2,864,509.50 and 1,121,876.44
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Solution
The fourth proportional to 2,075,732.44, 2,864,509.50 and 1,121,876.44 is: 1,548,188.80
Step by Step Solution
- Step 1: Write the proportion equation
2,075,732.44 : 2,864,509.50 = 1,121,876.44 : x - Step 2: Convert to fraction form
2,075,732.44/2,864,509.50 = 1,121,876.44/x - Step 3: Cross multiply
2,075,732.44x = 2,864,509.50 × 1,121,876.44 - Step 4: Simplify right side
2,075,732.44x = 3,213,625,720,206.18 - Step 5: Solve for x
x = 3,213,625,720,206.18/2,075,732.44 - Step 6: Final answer
x = 1,548,188.80
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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.