Finding the Fourth Proportional to 4,707,741.20, 7,052,159.16 and 3,984,987.92
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Solution
The fourth proportional to 4,707,741.20, 7,052,159.16 and 3,984,987.92 is: 5,969,480.45
Step by Step Solution
- Step 1: Write the proportion equation
4,707,741.20 : 7,052,159.16 = 3,984,987.92 : x - Step 2: Convert to fraction form
4,707,741.20/7,052,159.16 = 3,984,987.92/x - Step 3: Cross multiply
4,707,741.20x = 7,052,159.16 × 3,984,987.92 - Step 4: Simplify right side
4,707,741.20x = 28,102,769,062,517.35 - Step 5: Solve for x
x = 28,102,769,062,517.35/4,707,741.20 - Step 6: Final answer
x = 5,969,480.45
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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.