Finding the Fourth Proportional to 3,560,398.76, 4,916,166.28 and 3,288,357.84
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Solution
The fourth proportional to 3,560,398.76, 4,916,166.28 and 3,288,357.84 is: 4,540,534.65
Step by Step Solution
- Step 1: Write the proportion equation
3,560,398.76 : 4,916,166.28 = 3,288,357.84 : x - Step 2: Convert to fraction form
3,560,398.76/4,916,166.28 = 3,288,357.84/x - Step 3: Cross multiply
3,560,398.76x = 4,916,166.28 × 3,288,357.84 - Step 4: Simplify right side
3,560,398.76x = 16,166,113,929,581.63 - Step 5: Solve for x
x = 16,166,113,929,581.63/3,560,398.76 - Step 6: Final answer
x = 4,540,534.65
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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.