Finding the Fourth Proportional to 3,029,609.09, 4,180,346.74 and 1,805,892.68
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Solution
The fourth proportional to 3,029,609.09, 4,180,346.74 and 1,805,892.68 is: 2,491,825.63
Step by Step Solution
- Step 1: Write the proportion equation
3,029,609.09 : 4,180,346.74 = 1,805,892.68 : x - Step 2: Convert to fraction form
3,029,609.09/4,180,346.74 = 1,805,892.68/x - Step 3: Cross multiply
3,029,609.09x = 4,180,346.74 × 1,805,892.68 - Step 4: Simplify right side
3,029,609.09x = 7,549,257,577,627.86 - Step 5: Solve for x
x = 7,549,257,577,627.86/3,029,609.09 - Step 6: Final answer
x = 2,491,825.63
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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.