Finding the Fourth Proportional to 4,126,884.80, 6,190,327.20 and 2,615,230.40
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Solution
The fourth proportional to 4,126,884.80, 6,190,327.20 and 2,615,230.40 is: 3,922,845.60
Step by Step Solution
- Step 1: Write the proportion equation
4,126,884.80 : 6,190,327.20 = 2,615,230.40 : x - Step 2: Convert to fraction form
4,126,884.80/6,190,327.20 = 2,615,230.40/x - Step 3: Cross multiply
4,126,884.80x = 6,190,327.20 × 2,615,230.40 - Step 4: Simplify right side
4,126,884.80x = 16,189,131,879,386.88 - Step 5: Solve for x
x = 16,189,131,879,386.88/4,126,884.80 - Step 6: Final answer
x = 3,922,845.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.