Finding the Fourth Proportional to 5,647,877.36, 8,468,397.80 and 2,278,147.76
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Solution
The fourth proportional to 5,647,877.36, 8,468,397.80 and 2,278,147.76 is: 3,415,842.85
Step by Step Solution
- Step 1: Write the proportion equation
5,647,877.36 : 8,468,397.80 = 2,278,147.76 : x - Step 2: Convert to fraction form
5,647,877.36/8,468,397.80 = 2,278,147.76/x - Step 3: Cross multiply
5,647,877.36x = 8,468,397.80 × 2,278,147.76 - Step 4: Simplify right side
5,647,877.36x = 19,292,261,478,858.93 - Step 5: Solve for x
x = 19,292,261,478,858.93/5,647,877.36 - Step 6: Final answer
x = 3,415,842.85
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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.