Finding the Fourth Proportional to 3,558,236.74, 5,336,554.72 and 1,637,305.34
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Solution
The fourth proportional to 3,558,236.74, 5,336,554.72 and 1,637,305.34 is: 2,455,589.71
Step by Step Solution
- Step 1: Write the proportion equation
3,558,236.74 : 5,336,554.72 = 1,637,305.34 : x - Step 2: Convert to fraction form
3,558,236.74/5,336,554.72 = 1,637,305.34/x - Step 3: Cross multiply
3,558,236.74x = 5,336,554.72 × 1,637,305.34 - Step 4: Simplify right side
3,558,236.74x = 8,737,569,540,258.21 - Step 5: Solve for x
x = 8,737,569,540,258.21/3,558,236.74 - Step 6: Final answer
x = 2,455,589.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.