Finding the Fourth Proportional to 4,432,168.40, 6,648,252.60 and 3,676,341.20
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Solution
The fourth proportional to 4,432,168.40, 6,648,252.60 and 3,676,341.20 is: 5,514,511.80
Step by Step Solution
- Step 1: Write the proportion equation
4,432,168.40 : 6,648,252.60 = 3,676,341.20 : x - Step 2: Convert to fraction form
4,432,168.40/6,648,252.60 = 3,676,341.20/x - Step 3: Cross multiply
4,432,168.40x = 6,648,252.60 × 3,676,341.20 - Step 4: Simplify right side
4,432,168.40x = 24,441,244,941,387.12 - Step 5: Solve for x
x = 24,441,244,941,387.12/4,432,168.40 - Step 6: Final answer
x = 5,514,511.80
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1.5x scale
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.