Finding the Fourth Proportional to 2,324,421.09, 3,207,783.65 and 1,291,949.73
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Solution
The fourth proportional to 2,324,421.09, 3,207,783.65 and 1,291,949.73 is: 1,782,936.50
Step by Step Solution
- Step 1: Write the proportion equation
2,324,421.09 : 3,207,783.65 = 1,291,949.73 : x - Step 2: Convert to fraction form
2,324,421.09/3,207,783.65 = 1,291,949.73/x - Step 3: Cross multiply
2,324,421.09x = 3,207,783.65 × 1,291,949.73 - Step 4: Simplify right side
2,324,421.09x = 4,144,295,214,056.17 - Step 5: Solve for x
x = 4,144,295,214,056.17/2,324,421.09 - Step 6: Final answer
x = 1,782,936.50
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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.