Finding the Fourth Proportional to 2,512,622.16, 3,468,034.44 and 1,425,530.07
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Solution
The fourth proportional to 2,512,622.16, 3,468,034.44 and 1,425,530.07 is: 1,967,580.90
Step by Step Solution
- Step 1: Write the proportion equation
2,512,622.16 : 3,468,034.44 = 1,425,530.07 : x - Step 2: Convert to fraction form
2,512,622.16/3,468,034.44 = 1,425,530.07/x - Step 3: Cross multiply
2,512,622.16x = 3,468,034.44 × 1,425,530.07 - Step 4: Simplify right side
2,512,622.16x = 4,943,787,378,015.61 - Step 5: Solve for x
x = 4,943,787,378,015.61/2,512,622.16 - Step 6: Final answer
x = 1,967,580.90
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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.