Finding the Fourth Proportional to 4,111,732.72, 5,674,235.84 and 2,276,221.44
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Solution
The fourth proportional to 4,111,732.72, 5,674,235.84 and 2,276,221.44 is: 3,141,210.33
Step by Step Solution
- Step 1: Write the proportion equation
4,111,732.72 : 5,674,235.84 = 2,276,221.44 : x - Step 2: Convert to fraction form
4,111,732.72/5,674,235.84 = 2,276,221.44/x - Step 3: Cross multiply
4,111,732.72x = 5,674,235.84 × 2,276,221.44 - Step 4: Simplify right side
4,111,732.72x = 12,915,817,274,624.41 - Step 5: Solve for x
x = 12,915,817,274,624.41/4,111,732.72 - Step 6: Final answer
x = 3,141,210.33
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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.