Finding the Fourth Proportional to 1,383,180.24, 1,908,797.10 and 771,371.73
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Solution
The fourth proportional to 1,383,180.24, 1,908,797.10 and 771,371.73 is: 1,064,497.65
Step by Step Solution
- Step 1: Write the proportion equation
1,383,180.24 : 1,908,797.10 = 771,371.73 : x - Step 2: Convert to fraction form
1,383,180.24/1,908,797.10 = 771,371.73/x - Step 3: Cross multiply
1,383,180.24x = 1,908,797.10 × 771,371.73 - Step 4: Simplify right side
1,383,180.24x = 1,472,392,121,245.98 - Step 5: Solve for x
x = 1,472,392,121,245.98/1,383,180.24 - Step 6: Final answer
x = 1,064,497.65
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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.