Finding the Fourth Proportional to 1,608,493.44, 2,220,582.84 and 1,240,166.10
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Solution
The fourth proportional to 1,608,493.44, 2,220,582.84 and 1,240,166.10 is: 1,712,093.75
Step by Step Solution
- Step 1: Write the proportion equation
1,608,493.44 : 2,220,582.84 = 1,240,166.10 : x - Step 2: Convert to fraction form
1,608,493.44/2,220,582.84 = 1,240,166.10/x - Step 3: Cross multiply
1,608,493.44x = 2,220,582.84 × 1,240,166.10 - Step 4: Simplify right side
1,608,493.44x = 2,753,891,560,409.72 - Step 5: Solve for x
x = 2,753,891,560,409.72/1,608,493.44 - Step 6: Final answer
x = 1,712,093.75
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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.