Finding the Fourth Proportional to 1,640,761.24, 2,264,246.28 and 915,601.36
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Solution
The fourth proportional to 1,640,761.24, 2,264,246.28 and 915,601.36 is: 1,263,527.52
Step by Step Solution
- Step 1: Write the proportion equation
1,640,761.24 : 2,264,246.28 = 915,601.36 : x - Step 2: Convert to fraction form
1,640,761.24/2,264,246.28 = 915,601.36/x - Step 3: Cross multiply
1,640,761.24x = 2,264,246.28 × 915,601.36 - Step 4: Simplify right side
1,640,761.24x = 2,073,146,973,342.94 - Step 5: Solve for x
x = 2,073,146,973,342.94/1,640,761.24 - Step 6: Final answer
x = 1,263,527.52
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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.