Finding the Fourth Proportional to 2,407,720.84, 3,322,653.94 and 1,319,969.08
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Solution
The fourth proportional to 2,407,720.84, 3,322,653.94 and 1,319,969.08 is: 1,821,556.88
Step by Step Solution
- Step 1: Write the proportion equation
2,407,720.84 : 3,322,653.94 = 1,319,969.08 : x - Step 2: Convert to fraction form
2,407,720.84/3,322,653.94 = 1,319,969.08/x - Step 3: Cross multiply
2,407,720.84x = 3,322,653.94 × 1,319,969.08 - Step 4: Simplify right side
2,407,720.84x = 4,385,800,452,733.62 - Step 5: Solve for x
x = 4,385,800,452,733.62/2,407,720.84 - Step 6: Final answer
x = 1,821,556.88
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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.