Finding the Fourth Proportional to 1,661,865.92, 2,293,536.88 and 983,021.12
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Solution
The fourth proportional to 1,661,865.92, 2,293,536.88 and 983,021.12 is: 1,356,664.92
Step by Step Solution
- Step 1: Write the proportion equation
1,661,865.92 : 2,293,536.88 = 983,021.12 : x - Step 2: Convert to fraction form
1,661,865.92/2,293,536.88 = 983,021.12/x - Step 3: Cross multiply
1,661,865.92x = 2,293,536.88 × 983,021.12 - Step 4: Simplify right side
1,661,865.92x = 2,254,595,192,538.91 - Step 5: Solve for x
x = 2,254,595,192,538.91/1,661,865.92 - Step 6: Final answer
x = 1,356,664.92
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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.