Finding the Fourth Proportional to 4,728,534.72, 7,091,509.44 and 1,695,336.96
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Solution
The fourth proportional to 4,728,534.72, 7,091,509.44 and 1,695,336.96 is: 2,542,541.99
Step by Step Solution
- Step 1: Write the proportion equation
4,728,534.72 : 7,091,509.44 = 1,695,336.96 : x - Step 2: Convert to fraction form
4,728,534.72/7,091,509.44 = 1,695,336.96/x - Step 3: Cross multiply
4,728,534.72x = 7,091,509.44 × 1,695,336.96 - Step 4: Simplify right side
4,728,534.72x = 12,022,498,055,820.90 - Step 5: Solve for x
x = 12,022,498,055,820.90/4,728,534.72 - Step 6: Final answer
x = 2,542,541.99
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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.