Finding the Fourth Proportional to 4,126,535.92, 5,695,028.84 and 2,315,707.12
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Solution
The fourth proportional to 4,126,535.92, 5,695,028.84 and 2,315,707.12 is: 3,195,905.50
Step by Step Solution
- Step 1: Write the proportion equation
4,126,535.92 : 5,695,028.84 = 2,315,707.12 : x - Step 2: Convert to fraction form
4,126,535.92/5,695,028.84 = 2,315,707.12/x - Step 3: Cross multiply
4,126,535.92x = 5,695,028.84 × 2,315,707.12 - Step 4: Simplify right side
4,126,535.92x = 13,188,018,833,393.34 - Step 5: Solve for x
x = 13,188,018,833,393.34/4,126,535.92 - Step 6: Final answer
x = 3,195,905.50
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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.