Finding the Fourth Proportional to 3,530,377.63, 4,871,531.27 and 1,981,283.99
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Solution
The fourth proportional to 3,530,377.63, 4,871,531.27 and 1,981,283.99 is: 2,733,953.12
Step by Step Solution
- Step 1: Write the proportion equation
3,530,377.63 : 4,871,531.27 = 1,981,283.99 : x - Step 2: Convert to fraction form
3,530,377.63/4,871,531.27 = 1,981,283.99/x - Step 3: Cross multiply
3,530,377.63x = 4,871,531.27 × 1,981,283.99 - Step 4: Simplify right side
3,530,377.63x = 9,651,886,929,167.40 - Step 5: Solve for x
x = 9,651,886,929,167.40/3,530,377.63 - Step 6: Final answer
x = 2,733,953.12
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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.