Finding the Fourth Proportional to 5,416,051.62, 8,134,195.70 and 4,767,857.63
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Solution
The fourth proportional to 5,416,051.62, 8,134,195.70 and 4,767,857.63 is: 7,160,693.75
Step by Step Solution
- Step 1: Write the proportion equation
5,416,051.62 : 8,134,195.70 = 4,767,857.63 : x - Step 2: Convert to fraction form
5,416,051.62/8,134,195.70 = 4,767,857.63/x - Step 3: Cross multiply
5,416,051.62x = 8,134,195.70 × 4,767,857.63 - Step 4: Simplify right side
5,416,051.62x = 38,782,686,967,647.93 - Step 5: Solve for x
x = 38,782,686,967,647.93/5,416,051.62 - Step 6: Final answer
x = 7,160,693.75
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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.