Finding the Fourth Proportional to 4,258,434.63, 6,388,658.69 and 1,379,796.63
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Solution
The fourth proportional to 4,258,434.63, 6,388,658.69 and 1,379,796.63 is: 2,070,021.14
Step by Step Solution
- Step 1: Write the proportion equation
4,258,434.63 : 6,388,658.69 = 1,379,796.63 : x - Step 2: Convert to fraction form
4,258,434.63/6,388,658.69 = 1,379,796.63/x - Step 3: Cross multiply
4,258,434.63x = 6,388,658.69 × 1,379,796.63 - Step 4: Simplify right side
4,258,434.63x = 8,815,049,723,783.23 - Step 5: Solve for x
x = 8,815,049,723,783.23/4,258,434.63 - Step 6: Final answer
x = 2,070,021.14
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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.