Finding the Fourth Proportional to 3,660,897.99, 5,491,404.54 and 1,385,811.57
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Solution
The fourth proportional to 3,660,897.99, 5,491,404.54 and 1,385,811.57 is: 2,078,739.14
Step by Step Solution
- Step 1: Write the proportion equation
3,660,897.99 : 5,491,404.54 = 1,385,811.57 : x - Step 2: Convert to fraction form
3,660,897.99/5,491,404.54 = 1,385,811.57/x - Step 3: Cross multiply
3,660,897.99x = 5,491,404.54 × 1,385,811.57 - Step 4: Simplify right side
3,660,897.99x = 7,610,051,947,082.53 - Step 5: Solve for x
x = 7,610,051,947,082.53/3,660,897.99 - Step 6: Final answer
x = 2,078,739.14
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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.