Finding the Fourth Proportional to 3,226,653.98, 4,453,042.77 and 1,850,125.76
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Solution
The fourth proportional to 3,226,653.98, 4,453,042.77 and 1,850,125.76 is: 2,553,322.79
Step by Step Solution
- Step 1: Write the proportion equation
3,226,653.98 : 4,453,042.77 = 1,850,125.76 : x - Step 2: Convert to fraction form
3,226,653.98/4,453,042.77 = 1,850,125.76/x - Step 3: Cross multiply
3,226,653.98x = 4,453,042.77 × 1,850,125.76 - Step 4: Simplify right side
3,226,653.98x = 8,238,689,150,291.36 - Step 5: Solve for x
x = 8,238,689,150,291.36/3,226,653.98 - Step 6: Final answer
x = 2,553,322.79
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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.