Finding the Fourth Proportional to 2,180,514.99, 3,271,264.66 and 721,557.69
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Solution
The fourth proportional to 2,180,514.99, 3,271,264.66 and 721,557.69 is: 1,082,499.39
Step by Step Solution
- Step 1: Write the proportion equation
2,180,514.99 : 3,271,264.66 = 721,557.69 : x - Step 2: Convert to fraction form
2,180,514.99/3,271,264.66 = 721,557.69/x - Step 3: Cross multiply
2,180,514.99x = 3,271,264.66 × 721,557.69 - Step 4: Simplify right side
2,180,514.99x = 2,360,406,156,024.18 - Step 5: Solve for x
x = 2,360,406,156,024.18/2,180,514.99 - Step 6: Final answer
x = 1,082,499.39
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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.