Finding the Fourth Proportional to 2,752,072.80, 4,128,109.20 and 2,344,634.70
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Solution
The fourth proportional to 2,752,072.80, 4,128,109.20 and 2,344,634.70 is: 3,516,952.05
Step by Step Solution
- Step 1: Write the proportion equation
2,752,072.80 : 4,128,109.20 = 2,344,634.70 : x - Step 2: Convert to fraction form
2,752,072.80/4,128,109.20 = 2,344,634.70/x - Step 3: Cross multiply
2,752,072.80x = 4,128,109.20 × 2,344,634.70 - Step 4: Simplify right side
2,752,072.80x = 9,678,908,075,709.24 - Step 5: Solve for x
x = 9,678,908,075,709.24/2,752,072.80 - Step 6: Final answer
x = 3,516,952.05
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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.