Finding the Fourth Proportional to 2,248,654.12, 3,102,645.46 and 1,377,672.84
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Solution
The fourth proportional to 2,248,654.12, 3,102,645.46 and 1,377,672.84 is: 1,900,883.89
Step by Step Solution
- Step 1: Write the proportion equation
2,248,654.12 : 3,102,645.46 = 1,377,672.84 : x - Step 2: Convert to fraction form
2,248,654.12/3,102,645.46 = 1,377,672.84/x - Step 3: Cross multiply
2,248,654.12x = 3,102,645.46 × 1,377,672.84 - Step 4: Simplify right side
2,248,654.12x = 4,274,430,382,391.31 - Step 5: Solve for x
x = 4,274,430,382,391.31/2,248,654.12 - Step 6: Final answer
x = 1,900,883.89
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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.