Finding the Fourth Proportional to 4,899,679.92, 6,761,864.52 and 2,724,709.68
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Solution
The fourth proportional to 4,899,679.92, 6,761,864.52 and 2,724,709.68 is: 3,760,269.65
Step by Step Solution
- Step 1: Write the proportion equation
4,899,679.92 : 6,761,864.52 = 2,724,709.68 : x - Step 2: Convert to fraction form
4,899,679.92/6,761,864.52 = 2,724,709.68/x - Step 3: Cross multiply
4,899,679.92x = 6,761,864.52 × 2,724,709.68 - Step 4: Simplify right side
4,899,679.92x = 18,424,117,712,492.55 - Step 5: Solve for x
x = 18,424,117,712,492.55/4,899,679.92 - Step 6: Final answer
x = 3,760,269.65
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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.