Finding the Fourth Proportional to 3,117,624.30, 4,676,436.45 and 1,915,649.10
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Solution
The fourth proportional to 3,117,624.30, 4,676,436.45 and 1,915,649.10 is: 2,873,473.65
Step by Step Solution
- Step 1: Write the proportion equation
3,117,624.30 : 4,676,436.45 = 1,915,649.10 : x - Step 2: Convert to fraction form
3,117,624.30/4,676,436.45 = 1,915,649.10/x - Step 3: Cross multiply
3,117,624.30x = 4,676,436.45 × 1,915,649.10 - Step 4: Simplify right side
3,117,624.30x = 8,958,411,276,649.70 - Step 5: Solve for x
x = 8,958,411,276,649.70/3,117,624.30 - Step 6: Final answer
x = 2,873,473.65
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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.