Finding the Fourth Proportional to 3,416,856.58, 4,716,449.52 and 1,967,129.80
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Solution
The fourth proportional to 3,416,856.58, 4,716,449.52 and 1,967,129.80 is: 2,715,322.75
Step by Step Solution
- Step 1: Write the proportion equation
3,416,856.58 : 4,716,449.52 = 1,967,129.80 : x - Step 2: Convert to fraction form
3,416,856.58/4,716,449.52 = 1,967,129.80/x - Step 3: Cross multiply
3,416,856.58x = 4,716,449.52 × 1,967,129.80 - Step 4: Simplify right side
3,416,856.58x = 9,277,868,400,987.70 - Step 5: Solve for x
x = 9,277,868,400,987.70/3,416,856.58 - Step 6: Final answer
x = 2,715,322.75
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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.