Finding the Fourth Proportional to 4,879,431.84, 6,733,874.88 and 2,704,212.48
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Solution
The fourth proportional to 4,879,431.84, 6,733,874.88 and 2,704,212.48 is: 3,731,956.73
Step by Step Solution
- Step 1: Write the proportion equation
4,879,431.84 : 6,733,874.88 = 2,704,212.48 : x - Step 2: Convert to fraction form
4,879,431.84/6,733,874.88 = 2,704,212.48/x - Step 3: Cross multiply
4,879,431.84x = 6,733,874.88 × 2,704,212.48 - Step 4: Simplify right side
4,879,431.84x = 18,209,828,489,254.50 - Step 5: Solve for x
x = 18,209,828,489,254.50/4,879,431.84 - Step 6: Final answer
x = 3,731,956.73
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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.