Finding the Fourth Proportional to 3,545,145.36, 4,892,238 and 2,017,219.68
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Solution
The fourth proportional to 3,545,145.36, 4,892,238 and 2,017,219.68 is: 2,783,727.54
Step by Step Solution
- Step 1: Write the proportion equation
3,545,145.36 : 4,892,238 = 2,017,219.68 : x - Step 2: Convert to fraction form
3,545,145.36/4,892,238 = 2,017,219.68/x - Step 3: Cross multiply
3,545,145.36x = 4,892,238 × 2,017,219.68 - Step 4: Simplify right side
3,545,145.36x = 9,868,718,772,843.84 - Step 5: Solve for x
x = 9,868,718,772,843.84/3,545,145.36 - Step 6: Final answer
x = 2,783,727.54
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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.