Finding the Fourth Proportional to 4,080,558.98, 6,121,181.12 and 1,240,695.74
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Solution
The fourth proportional to 4,080,558.98, 6,121,181.12 and 1,240,695.74 is: 1,861,147.79
Step by Step Solution
- Step 1: Write the proportion equation
4,080,558.98 : 6,121,181.12 = 1,240,695.74 : x - Step 2: Convert to fraction form
4,080,558.98/6,121,181.12 = 1,240,695.74/x - Step 3: Cross multiply
4,080,558.98x = 6,121,181.12 × 1,240,695.74 - Step 4: Simplify right side
4,080,558.98x = 7,594,523,302,543.05 - Step 5: Solve for x
x = 7,594,523,302,543.05/4,080,558.98 - Step 6: Final answer
x = 1,861,147.79
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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.