Finding the Fourth Proportional to 4,031,218.12, 5,563,080.12 and 2,220,382.12
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Solution
The fourth proportional to 4,031,218.12, 5,563,080.12 and 2,220,382.12 is: 3,064,126.84
Step by Step Solution
- Step 1: Write the proportion equation
4,031,218.12 : 5,563,080.12 = 2,220,382.12 : x - Step 2: Convert to fraction form
4,031,218.12/5,563,080.12 = 2,220,382.12/x - Step 3: Cross multiply
4,031,218.12x = 5,563,080.12 × 2,220,382.12 - Step 4: Simplify right side
4,031,218.12x = 12,352,163,630,575.46 - Step 5: Solve for x
x = 12,352,163,630,575.46/4,031,218.12 - Step 6: Final answer
x = 3,064,126.84
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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.