Finding the Fourth Proportional to 4,458,625.20, 6,153,428.04 and 2,647,789.20
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Solution
The fourth proportional to 4,458,625.20, 6,153,428.04 and 2,647,789.20 is: 3,654,261.03
Step by Step Solution
- Step 1: Write the proportion equation
4,458,625.20 : 6,153,428.04 = 2,647,789.20 : x - Step 2: Convert to fraction form
4,458,625.20/6,153,428.04 = 2,647,789.20/x - Step 3: Cross multiply
4,458,625.20x = 6,153,428.04 × 2,647,789.20 - Step 4: Simplify right side
4,458,625.20x = 16,292,980,307,289.17 - Step 5: Solve for x
x = 16,292,980,307,289.17/4,458,625.20 - Step 6: Final answer
x = 3,654,261.03
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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.