Finding the Fourth Proportional to 5,529,246.22, 7,612,995 and 4,700,689.42
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Solution
The fourth proportional to 5,529,246.22, 7,612,995 and 4,700,689.42 is: 6,472,188.73
Step by Step Solution
- Step 1: Write the proportion equation
5,529,246.22 : 7,612,995 = 4,700,689.42 : x - Step 2: Convert to fraction form
5,529,246.22/7,612,995 = 4,700,689.42/x - Step 3: Cross multiply
5,529,246.22x = 7,612,995 × 4,700,689.42 - Step 4: Simplify right side
5,529,246.22x = 35,786,325,051,012.90 - Step 5: Solve for x
x = 35,786,325,051,012.90/5,529,246.22 - Step 6: Final answer
x = 6,472,188.73
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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.