Finding the Fourth Proportional to 1,952,021.20, 2,926,649.40 and 753,480.40
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Solution
The fourth proportional to 1,952,021.20, 2,926,649.40 and 753,480.40 is: 1,129,686.99
Step by Step Solution
- Step 1: Write the proportion equation
1,952,021.20 : 2,926,649.40 = 753,480.40 : x - Step 2: Convert to fraction form
1,952,021.20/2,926,649.40 = 753,480.40/x - Step 3: Cross multiply
1,952,021.20x = 2,926,649.40 × 753,480.40 - Step 4: Simplify right side
1,952,021.20x = 2,205,172,960,571.76 - Step 5: Solve for x
x = 2,205,172,960,571.76/1,952,021.20 - Step 6: Final answer
x = 1,129,686.99
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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.