Finding the Fourth Proportional to 4,633,910.40, 6,951,521.70 and 1,438,703.40
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Solution
The fourth proportional to 4,633,910.40, 6,951,521.70 and 1,438,703.40 is: 2,158,258.80
Step by Step Solution
- Step 1: Write the proportion equation
4,633,910.40 : 6,951,521.70 = 1,438,703.40 : x - Step 2: Convert to fraction form
4,633,910.40/6,951,521.70 = 1,438,703.40/x - Step 3: Cross multiply
4,633,910.40x = 6,951,521.70 × 1,438,703.40 - Step 4: Simplify right side
4,633,910.40x = 10,001,177,904,963.78 - Step 5: Solve for x
x = 10,001,177,904,963.78/4,633,910.40 - Step 6: Final answer
x = 2,158,258.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.