Finding the Fourth Proportional to 5,255,475.12, 7,883,494.12 and 1,660,968.56
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Solution
The fourth proportional to 5,255,475.12, 7,883,494.12 and 1,660,968.56 is: 2,491,541.79
Step by Step Solution
- Step 1: Write the proportion equation
5,255,475.12 : 7,883,494.12 = 1,660,968.56 : x - Step 2: Convert to fraction form
5,255,475.12/7,883,494.12 = 1,660,968.56/x - Step 3: Cross multiply
5,255,475.12x = 7,883,494.12 × 1,660,968.56 - Step 4: Simplify right side
5,255,475.12x = 13,094,235,876,264.87 - Step 5: Solve for x
x = 13,094,235,876,264.87/5,255,475.12 - Step 6: Final answer
x = 2,491,541.79
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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.