Finding the Fourth Proportional to 7,644,791.98, 10,549,939.88 and 4,160,277.62
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Solution
The fourth proportional to 7,644,791.98, 10,549,939.88 and 4,160,277.62 is: 5,741,252.20
Step by Step Solution
- Step 1: Write the proportion equation
7,644,791.98 : 10,549,939.88 = 4,160,277.62 : x - Step 2: Convert to fraction form
7,644,791.98/10,549,939.88 = 4,160,277.62/x - Step 3: Cross multiply
7,644,791.98x = 10,549,939.88 × 4,160,277.62 - Step 4: Simplify right side
7,644,791.98x = 43,890,678,732,760.48 - Step 5: Solve for x
x = 43,890,678,732,760.48/7,644,791.98 - Step 6: Final answer
x = 5,741,252.20
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1.5x scale
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.