Finding the Fourth Proportional to 2,051,546.91, 2,831,199.86 and 1,121,234.26
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Solution
The fourth proportional to 2,051,546.91, 2,831,199.86 and 1,121,234.26 is: 1,547,338.87
Step by Step Solution
- Step 1: Write the proportion equation
2,051,546.91 : 2,831,199.86 = 1,121,234.26 : x - Step 2: Convert to fraction form
2,051,546.91/2,831,199.86 = 1,121,234.26/x - Step 3: Cross multiply
2,051,546.91x = 2,831,199.86 × 1,121,234.26 - Step 4: Simplify right side
2,051,546.91x = 3,174,438,279,939.20 - Step 5: Solve for x
x = 3,174,438,279,939.20/2,051,546.91 - Step 6: Final answer
x = 1,547,338.87
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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.