Finding the Fourth Proportional to 4,882,214.70, 6,737,855.55 and 2,707,440.03
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Solution
The fourth proportional to 4,882,214.70, 6,737,855.55 and 2,707,440.03 is: 3,736,488.65
Step by Step Solution
- Step 1: Write the proportion equation
4,882,214.70 : 6,737,855.55 = 2,707,440.03 : x - Step 2: Convert to fraction form
4,882,214.70/6,737,855.55 = 2,707,440.03/x - Step 3: Cross multiply
4,882,214.70x = 6,737,855.55 × 2,707,440.03 - Step 4: Simplify right side
4,882,214.70x = 18,242,339,832,427.66 - Step 5: Solve for x
x = 18,242,339,832,427.66/4,882,214.70 - Step 6: Final answer
x = 3,736,488.65
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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.