Finding the Fourth Proportional to 2,409,036.91, 3,324,475.73 and 1,321,317.43
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Solution
The fourth proportional to 2,409,036.91, 3,324,475.73 and 1,321,317.43 is: 1,823,420.68
Step by Step Solution
- Step 1: Write the proportion equation
2,409,036.91 : 3,324,475.73 = 1,321,317.43 : x - Step 2: Convert to fraction form
2,409,036.91/3,324,475.73 = 1,321,317.43/x - Step 3: Cross multiply
2,409,036.91x = 3,324,475.73 × 1,321,317.43 - Step 4: Simplify right side
2,409,036.91x = 4,392,687,722,653.08 - Step 5: Solve for x
x = 4,392,687,722,653.08/2,409,036.91 - Step 6: Final answer
x = 1,823,420.68
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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.