Finding the Fourth Proportional to 2,379,775.96, 3,284,072.66 and 1,292,025.96
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Solution
The fourth proportional to 2,379,775.96, 3,284,072.66 and 1,292,025.96 is: 1,782,985.96
Step by Step Solution
- Step 1: Write the proportion equation
2,379,775.96 : 3,284,072.66 = 1,292,025.96 : x - Step 2: Convert to fraction form
2,379,775.96/3,284,072.66 = 1,292,025.96/x - Step 3: Cross multiply
2,379,775.96x = 3,284,072.66 × 1,292,025.96 - Step 4: Simplify right side
2,379,775.96x = 4,243,107,131,246.25 - Step 5: Solve for x
x = 4,243,107,131,246.25/2,379,775.96 - Step 6: Final answer
x = 1,782,985.96
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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.