Finding the Fourth Proportional to 3,409,911.47, 5,110,438.53 and 1,385,799.94
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Solution
The fourth proportional to 3,409,911.47, 5,110,438.53 and 1,385,799.94 is: 2,076,900.08
Step by Step Solution
- Step 1: Write the proportion equation
3,409,911.47 : 5,110,438.53 = 1,385,799.94 : x - Step 2: Convert to fraction form
3,409,911.47/5,110,438.53 = 1,385,799.94/x - Step 3: Cross multiply
3,409,911.47x = 5,110,438.53 × 1,385,799.94 - Step 4: Simplify right side
3,409,911.47x = 7,082,045,419,832.49 - Step 5: Solve for x
x = 7,082,045,419,832.49/3,409,911.47 - Step 6: Final answer
x = 2,076,900.08
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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.