Finding the Fourth Proportional to 2,512,943.19, 3,467,845.71 and 1,367,028.09
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Solution
The fourth proportional to 2,512,943.19, 3,467,845.71 and 1,367,028.09 is: 1,886,490.12
Step by Step Solution
- Step 1: Write the proportion equation
2,512,943.19 : 3,467,845.71 = 1,367,028.09 : x - Step 2: Convert to fraction form
2,512,943.19/3,467,845.71 = 1,367,028.09/x - Step 3: Cross multiply
2,512,943.19x = 3,467,845.71 × 1,367,028.09 - Step 4: Simplify right side
2,512,943.19x = 4,740,642,497,355.99 - Step 5: Solve for x
x = 4,740,642,497,355.99/2,512,943.19 - Step 6: Final answer
x = 1,886,490.12
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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.