Finding the Fourth Proportional to 2,885,207.20, 4,328,199.60 and 992,528.80
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Solution
The fourth proportional to 2,885,207.20, 4,328,199.60 and 992,528.80 is: 1,488,926.95
Step by Step Solution
- Step 1: Write the proportion equation
2,885,207.20 : 4,328,199.60 = 992,528.80 : x - Step 2: Convert to fraction form
2,885,207.20/4,328,199.60 = 992,528.80/x - Step 3: Cross multiply
2,885,207.20x = 4,328,199.60 × 992,528.80 - Step 4: Simplify right side
2,885,207.20x = 4,295,862,755,148.48 - Step 5: Solve for x
x = 4,295,862,755,148.48/2,885,207.20 - Step 6: Final answer
x = 1,488,926.95
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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.