Finding the Fourth Proportional to 3,745,031.18, 5,168,121.35 and 2,026,114.79
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Solution
The fourth proportional to 3,745,031.18, 5,168,121.35 and 2,026,114.79 is: 2,796,026.68
Step by Step Solution
- Step 1: Write the proportion equation
3,745,031.18 : 5,168,121.35 = 2,026,114.79 : x - Step 2: Convert to fraction form
3,745,031.18/5,168,121.35 = 2,026,114.79/x - Step 3: Cross multiply
3,745,031.18x = 5,168,121.35 × 2,026,114.79 - Step 4: Simplify right side
3,745,031.18x = 10,471,207,067,778.58 - Step 5: Solve for x
x = 10,471,207,067,778.58/3,745,031.18 - Step 6: Final answer
x = 2,796,026.68
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1.5x scale
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.