Finding the Fourth Proportional to 2,290,859.30, 3,161,201.48 and 1,324,052.21
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Solution
The fourth proportional to 2,290,859.30, 3,161,201.48 and 1,324,052.21 is: 1,827,085.50
Step by Step Solution
- Step 1: Write the proportion equation
2,290,859.30 : 3,161,201.48 = 1,324,052.21 : x - Step 2: Convert to fraction form
2,290,859.30/3,161,201.48 = 1,324,052.21/x - Step 3: Cross multiply
2,290,859.30x = 3,161,201.48 × 1,324,052.21 - Step 4: Simplify right side
2,290,859.30x = 4,185,595,807,132.01 - Step 5: Solve for x
x = 4,185,595,807,132.01/2,290,859.30 - Step 6: Final answer
x = 1,827,085.50
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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.