Finding the Fourth Proportional to 3,084,893.35, 4,257,150.13 and 1,708,236.99
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Solution
The fourth proportional to 3,084,893.35, 4,257,150.13 and 1,708,236.99 is: 2,357,365.55
Step by Step Solution
- Step 1: Write the proportion equation
3,084,893.35 : 4,257,150.13 = 1,708,236.99 : x - Step 2: Convert to fraction form
3,084,893.35/4,257,150.13 = 1,708,236.99/x - Step 3: Cross multiply
3,084,893.35x = 4,257,150.13 × 1,708,236.99 - Step 4: Simplify right side
3,084,893.35x = 7,272,221,324,049.31 - Step 5: Solve for x
x = 7,272,221,324,049.31/3,084,893.35 - Step 6: Final answer
x = 2,357,365.55
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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.