Finding the Fourth Proportional to 1,923,310.12, 2,654,135.20 and 1,063,869.68
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Solution
The fourth proportional to 1,923,310.12, 2,654,135.20 and 1,063,869.68 is: 1,468,122.03
Step by Step Solution
- Step 1: Write the proportion equation
1,923,310.12 : 2,654,135.20 = 1,063,869.68 : x - Step 2: Convert to fraction form
1,923,310.12/2,654,135.20 = 1,063,869.68/x - Step 3: Cross multiply
1,923,310.12x = 2,654,135.20 × 1,063,869.68 - Step 4: Simplify right side
1,923,310.12x = 2,823,653,965,900.74 - Step 5: Solve for x
x = 2,823,653,965,900.74/1,923,310.12 - Step 6: Final answer
x = 1,468,122.03
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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.