Finding the Fourth Proportional to 4,461,662.20, 6,157,077.16 and 2,528,292.64
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Solution
The fourth proportional to 4,461,662.20, 6,157,077.16 and 2,528,292.64 is: 3,489,034.39
Step by Step Solution
- Step 1: Write the proportion equation
4,461,662.20 : 6,157,077.16 = 2,528,292.64 : x - Step 2: Convert to fraction form
4,461,662.20/6,157,077.16 = 2,528,292.64/x - Step 3: Cross multiply
4,461,662.20x = 6,157,077.16 × 2,528,292.64 - Step 4: Simplify right side
4,461,662.20x = 15,566,892,867,540.10 - Step 5: Solve for x
x = 15,566,892,867,540.10/4,461,662.20 - Step 6: Final answer
x = 3,489,034.39
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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.