Finding the Fourth Proportional to 6,371,764.74, 8,793,000.84 and 3,471,148.65
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Solution
The fourth proportional to 6,371,764.74, 8,793,000.84 and 3,471,148.65 is: 4,790,166.34
Step by Step Solution
- Step 1: Write the proportion equation
6,371,764.74 : 8,793,000.84 = 3,471,148.65 : x - Step 2: Convert to fraction form
6,371,764.74/8,793,000.84 = 3,471,148.65/x - Step 3: Cross multiply
6,371,764.74x = 8,793,000.84 × 3,471,148.65 - Step 4: Simplify right side
6,371,764.74x = 30,521,812,995,214.86 - Step 5: Solve for x
x = 30,521,812,995,214.86/6,371,764.74 - Step 6: Final answer
x = 4,790,166.34
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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.