Finding the Fourth Proportional to 4,649,513.60, 6,416,334.40 and 2,612,321.92
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Solution
The fourth proportional to 4,649,513.60, 6,416,334.40 and 2,612,321.92 is: 3,605,007.41
Step by Step Solution
- Step 1: Write the proportion equation
4,649,513.60 : 6,416,334.40 = 2,612,321.92 : x - Step 2: Convert to fraction form
4,649,513.60/6,416,334.40 = 2,612,321.92/x - Step 3: Cross multiply
4,649,513.60x = 6,416,334.40 × 2,612,321.92 - Step 4: Simplify right side
4,649,513.60x = 16,761,530,999,170.05 - Step 5: Solve for x
x = 16,761,530,999,170.05/4,649,513.60 - Step 6: Final answer
x = 3,605,007.41
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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.