Finding the Fourth Proportional to 3,291,783.84, 4,542,668.34 and 1,841,503.49
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Solution
The fourth proportional to 3,291,783.84, 4,542,668.34 and 1,841,503.49 is: 2,541,278.53
Step by Step Solution
- Step 1: Write the proportion equation
3,291,783.84 : 4,542,668.34 = 1,841,503.49 : x - Step 2: Convert to fraction form
3,291,783.84/4,542,668.34 = 1,841,503.49/x - Step 3: Cross multiply
3,291,783.84x = 4,542,668.34 × 1,841,503.49 - Step 4: Simplify right side
3,291,783.84x = 8,365,339,592,814.99 - Step 5: Solve for x
x = 8,365,339,592,814.99/3,291,783.84 - Step 6: Final answer
x = 2,541,278.53
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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.