Finding the Fourth Proportional to 2,205,836.62, 3,044,146.05 and 1,225,771.99
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Solution
The fourth proportional to 2,205,836.62, 3,044,146.05 and 1,225,771.99 is: 1,691,616.20
Step by Step Solution
- Step 1: Write the proportion equation
2,205,836.62 : 3,044,146.05 = 1,225,771.99 : x - Step 2: Convert to fraction form
2,205,836.62/3,044,146.05 = 1,225,771.99/x - Step 3: Cross multiply
2,205,836.62x = 3,044,146.05 × 1,225,771.99 - Step 4: Simplify right side
2,205,836.62x = 3,731,428,953,948.77 - Step 5: Solve for x
x = 3,731,428,953,948.77/2,205,836.62 - Step 6: Final answer
x = 1,691,616.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.