Finding the Fourth Proportional to 7,084,523.84, 10,621,855.12 and 3,138,758.94
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Solution
The fourth proportional to 7,084,523.84, 10,621,855.12 and 3,138,758.94 is: 4,705,953.92
Step by Step Solution
- Step 1: Write the proportion equation
7,084,523.84 : 10,621,855.12 = 3,138,758.94 : x - Step 2: Convert to fraction form
7,084,523.84/10,621,855.12 = 3,138,758.94/x - Step 3: Cross multiply
7,084,523.84x = 10,621,855.12 × 3,138,758.94 - Step 4: Simplify right side
7,084,523.84x = 33,339,442,717,284.77 - Step 5: Solve for x
x = 33,339,442,717,284.77/7,084,523.84 - Step 6: Final answer
x = 4,705,953.92
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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.