Finding the Fourth Proportional to 2,545,204.18, 3,512,339.79 and 1,383,679.29
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Solution
The fourth proportional to 2,545,204.18, 3,512,339.79 and 1,383,679.29 is: 1,909,454.61
Step by Step Solution
- Step 1: Write the proportion equation
2,545,204.18 : 3,512,339.79 = 1,383,679.29 : x - Step 2: Convert to fraction form
2,545,204.18/3,512,339.79 = 1,383,679.29/x - Step 3: Cross multiply
2,545,204.18x = 3,512,339.79 × 1,383,679.29 - Step 4: Simplify right side
2,545,204.18x = 4,859,951,846,523.22 - Step 5: Solve for x
x = 4,859,951,846,523.22/2,545,204.18 - Step 6: Final answer
x = 1,909,454.61
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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.