Finding the Fourth Proportional to 3,467,105.19, 4,784,746.17 and 1,918,341.67
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Solution
The fourth proportional to 3,467,105.19, 4,784,746.17 and 1,918,341.67 is: 2,647,389.52
Step by Step Solution
- Step 1: Write the proportion equation
3,467,105.19 : 4,784,746.17 = 1,918,341.67 : x - Step 2: Convert to fraction form
3,467,105.19/4,784,746.17 = 1,918,341.67/x - Step 3: Cross multiply
3,467,105.19x = 4,784,746.17 × 1,918,341.67 - Step 4: Simplify right side
3,467,105.19x = 9,178,777,958,283.90 - Step 5: Solve for x
x = 9,178,777,958,283.90/3,467,105.19 - Step 6: Final answer
x = 2,647,389.52
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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.