Finding the Fourth Proportional to 2,083,659.40, 3,125,489.10 and 1,285,841.80
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Solution
The fourth proportional to 2,083,659.40, 3,125,489.10 and 1,285,841.80 is: 1,928,762.70
Step by Step Solution
- Step 1: Write the proportion equation
2,083,659.40 : 3,125,489.10 = 1,285,841.80 : x - Step 2: Convert to fraction form
2,083,659.40/3,125,489.10 = 1,285,841.80/x - Step 3: Cross multiply
2,083,659.40x = 3,125,489.10 × 1,285,841.80 - Step 4: Simplify right side
2,083,659.40x = 4,018,884,530,224.38 - Step 5: Solve for x
x = 4,018,884,530,224.38/2,083,659.40 - Step 6: Final answer
x = 1,928,762.70
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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.