Finding the Fourth Proportional to 4,431,302.20, 6,646,953.30 and 4,403,308.60
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Solution
The fourth proportional to 4,431,302.20, 6,646,953.30 and 4,403,308.60 is: 6,604,962.90
Step by Step Solution
- Step 1: Write the proportion equation
4,431,302.20 : 6,646,953.30 = 4,403,308.60 : x - Step 2: Convert to fraction form
4,431,302.20/6,646,953.30 = 4,403,308.60/x - Step 3: Cross multiply
4,431,302.20x = 6,646,953.30 × 4,403,308.60 - Step 4: Simplify right side
4,431,302.20x = 29,268,586,629,688.38 - Step 5: Solve for x
x = 29,268,586,629,688.38/4,431,302.20 - Step 6: Final answer
x = 6,604,962.90
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Similar ratio
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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.