Finding the Fourth Proportional to 5,419,514.79, 8,130,639.06 and 3,825,191.79
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Solution
The fourth proportional to 5,419,514.79, 8,130,639.06 and 3,825,191.79 is: 5,738,752.45
Step by Step Solution
- Step 1: Write the proportion equation
5,419,514.79 : 8,130,639.06 = 3,825,191.79 : x - Step 2: Convert to fraction form
5,419,514.79/8,130,639.06 = 3,825,191.79/x - Step 3: Cross multiply
5,419,514.79x = 8,130,639.06 × 3,825,191.79 - Step 4: Simplify right side
5,419,514.79x = 31,101,253,779,765.32 - Step 5: Solve for x
x = 31,101,253,779,765.32/5,419,514.79 - Step 6: Final answer
x = 5,738,752.45
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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.