Finding the Fourth Proportional to 1,611,891.62, 2,222,883.68 and 1,031,298.47
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Solution
The fourth proportional to 1,611,891.62, 2,222,883.68 and 1,031,298.47 is: 1,422,215.06
Step by Step Solution
- Step 1: Write the proportion equation
1,611,891.62 : 2,222,883.68 = 1,031,298.47 : x - Step 2: Convert to fraction form
1,611,891.62/2,222,883.68 = 1,031,298.47/x - Step 3: Cross multiply
1,611,891.62x = 2,222,883.68 × 1,031,298.47 - Step 4: Simplify right side
1,611,891.62x = 2,292,456,530,236.87 - Step 5: Solve for x
x = 2,292,456,530,236.87/1,611,891.62 - Step 6: Final answer
x = 1,422,215.06
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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.