Finding the Fourth Proportional to 3,236,805.51, 4,466,473.58 and 1,786,407.30
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Solution
The fourth proportional to 3,236,805.51, 4,466,473.58 and 1,786,407.30 is: 2,465,066.55
Step by Step Solution
- Step 1: Write the proportion equation
3,236,805.51 : 4,466,473.58 = 1,786,407.30 : x - Step 2: Convert to fraction form
3,236,805.51/4,466,473.58 = 1,786,407.30/x - Step 3: Cross multiply
3,236,805.51x = 4,466,473.58 × 1,786,407.30 - Step 4: Simplify right side
3,236,805.51x = 7,978,940,999,637.10 - Step 5: Solve for x
x = 7,978,940,999,637.10/3,236,805.51 - Step 6: Final answer
x = 2,465,066.55
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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.