Finding the Fourth Proportional to 4,027,803.98, 5,558,392.62 and 2,192,257.90
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Solution
The fourth proportional to 4,027,803.98, 5,558,392.62 and 2,192,257.90 is: 3,025,328.49
Step by Step Solution
- Step 1: Write the proportion equation
4,027,803.98 : 5,558,392.62 = 2,192,257.90 : x - Step 2: Convert to fraction form
4,027,803.98/5,558,392.62 = 2,192,257.90/x - Step 3: Cross multiply
4,027,803.98x = 5,558,392.62 × 2,192,257.90 - Step 4: Simplify right side
4,027,803.98x = 12,185,430,132,496.70 - Step 5: Solve for x
x = 12,185,430,132,496.70/4,027,803.98 - Step 6: Final answer
x = 3,025,328.49
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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.