Finding the Fourth Proportional to 2,895,837.10, 4,345,310.85 and 1,213,110.70
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Solution
The fourth proportional to 2,895,837.10, 4,345,310.85 and 1,213,110.70 is: 1,820,317.55
Step by Step Solution
- Step 1: Write the proportion equation
2,895,837.10 : 4,345,310.85 = 1,213,110.70 : x - Step 2: Convert to fraction form
2,895,837.10/4,345,310.85 = 1,213,110.70/x - Step 3: Cross multiply
2,895,837.10x = 4,345,310.85 × 1,213,110.70 - Step 4: Simplify right side
2,895,837.10x = 5,271,343,086,961.10 - Step 5: Solve for x
x = 5,271,343,086,961.10/2,895,837.10 - Step 6: Final answer
x = 1,820,317.55
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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.