Finding the Fourth Proportional to 4,222,473.20, 5,827,025.49 and 2,288,741.47
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Solution
The fourth proportional to 4,222,473.20, 5,827,025.49 and 2,288,741.47 is: 3,158,469.99
Step by Step Solution
- Step 1: Write the proportion equation
4,222,473.20 : 5,827,025.49 = 2,288,741.47 : x - Step 2: Convert to fraction form
4,222,473.20/5,827,025.49 = 2,288,741.47/x - Step 3: Cross multiply
4,222,473.20x = 5,827,025.49 × 2,288,741.47 - Step 4: Simplify right side
4,222,473.20x = 13,336,554,862,559.72 - Step 5: Solve for x
x = 13,336,554,862,559.72/4,222,473.20 - Step 6: Final answer
x = 3,158,469.99
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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.