Finding the Fourth Proportional to 5,245,174.29, 7,236,420.46 and 3,178,699.10
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Solution
The fourth proportional to 5,245,174.29, 7,236,420.46 and 3,178,699.10 is: 4,385,441.15
Step by Step Solution
- Step 1: Write the proportion equation
5,245,174.29 : 7,236,420.46 = 3,178,699.10 : x - Step 2: Convert to fraction form
5,245,174.29/7,236,420.46 = 3,178,699.10/x - Step 3: Cross multiply
5,245,174.29x = 7,236,420.46 × 3,178,699.10 - Step 4: Simplify right side
5,245,174.29x = 23,002,403,151,347.99 - Step 5: Solve for x
x = 23,002,403,151,347.99/5,245,174.29 - Step 6: Final answer
x = 4,385,441.15
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1.5x scale
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.