Finding the Fourth Proportional to 4,239,783.62, 5,850,370.34 and 2,866,116.15
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Solution
The fourth proportional to 4,239,783.62, 5,850,370.34 and 2,866,116.15 is: 3,954,881.29
Step by Step Solution
- Step 1: Write the proportion equation
4,239,783.62 : 5,850,370.34 = 2,866,116.15 : x - Step 2: Convert to fraction form
4,239,783.62/5,850,370.34 = 2,866,116.15/x - Step 3: Cross multiply
4,239,783.62x = 5,850,370.34 × 2,866,116.15 - Step 4: Simplify right side
4,239,783.62x = 16,767,840,900,624.41 - Step 5: Solve for x
x = 16,767,840,900,624.41/4,239,783.62 - Step 6: Final answer
x = 3,954,881.29
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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.