Finding the Fourth Proportional to 5,416,052.80, 8,134,197.47 and 4,767,858.81
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Solution
The fourth proportional to 5,416,052.80, 8,134,197.47 and 4,767,858.81 is: 7,160,695.53
Step by Step Solution
- Step 1: Write the proportion equation
5,416,052.80 : 8,134,197.47 = 4,767,858.81 : x - Step 2: Convert to fraction form
5,416,052.80/8,134,197.47 = 4,767,858.81/x - Step 3: Cross multiply
5,416,052.80x = 8,134,197.47 × 4,767,858.81 - Step 4: Simplify right side
5,416,052.80x = 38,782,705,069,619.20 - Step 5: Solve for x
x = 38,782,705,069,619.20/5,416,052.80 - Step 6: Final answer
x = 7,160,695.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.