Finding the Fourth Proportional to 5,390,715.40, 8,086,198.86 and 1,796,774.56
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Solution
The fourth proportional to 5,390,715.40, 8,086,198.86 and 1,796,774.56 is: 2,695,203.75
Step by Step Solution
- Step 1: Write the proportion equation
5,390,715.40 : 8,086,198.86 = 1,796,774.56 : x - Step 2: Convert to fraction form
5,390,715.40/8,086,198.86 = 1,796,774.56/x - Step 3: Cross multiply
5,390,715.40x = 8,086,198.86 × 1,796,774.56 - Step 4: Simplify right side
5,390,715.40x = 14,529,076,349,334.13 - Step 5: Solve for x
x = 14,529,076,349,334.13/5,390,715.40 - Step 6: Final answer
x = 2,695,203.75
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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.