Finding the Fourth Proportional to 4,430,720.40, 6,646,080.60 and 2,415,181.20
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Solution
The fourth proportional to 4,430,720.40, 6,646,080.60 and 2,415,181.20 is: 3,622,771.80
Step by Step Solution
- Step 1: Write the proportion equation
4,430,720.40 : 6,646,080.60 = 2,415,181.20 : x - Step 2: Convert to fraction form
4,430,720.40/6,646,080.60 = 2,415,181.20/x - Step 3: Cross multiply
4,430,720.40x = 6,646,080.60 × 2,415,181.20 - Step 4: Simplify right side
4,430,720.40x = 16,051,488,918,804.72 - Step 5: Solve for x
x = 16,051,488,918,804.72/4,430,720.40 - Step 6: Final answer
x = 3,622,771.80
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1.5x scale
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.