Finding the Fourth Proportional to 6,188,515.92, 8,540,299.20 and 3,472,462.80
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Solution
The fourth proportional to 6,188,515.92, 8,540,299.20 and 3,472,462.80 is: 4,792,081.28
Step by Step Solution
- Step 1: Write the proportion equation
6,188,515.92 : 8,540,299.20 = 3,472,462.80 : x - Step 2: Convert to fraction form
6,188,515.92/8,540,299.20 = 3,472,462.80/x - Step 3: Cross multiply
6,188,515.92x = 8,540,299.20 × 3,472,462.80 - Step 4: Simplify right side
6,188,515.92x = 29,655,871,272,869.75 - Step 5: Solve for x
x = 29,655,871,272,869.75/6,188,515.92 - Step 6: Final answer
x = 4,792,081.28
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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.