Finding the Fourth Proportional to 2,782,066.43, 3,847,703.99 and 2,495,481.95
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Solution
The fourth proportional to 2,782,066.43, 3,847,703.99 and 2,495,481.95 is: 3,451,346.72
Step by Step Solution
- Step 1: Write the proportion equation
2,782,066.43 : 3,847,703.99 = 2,495,481.95 : x - Step 2: Convert to fraction form
2,782,066.43/3,847,703.99 = 2,495,481.95/x - Step 3: Cross multiply
2,782,066.43x = 3,847,703.99 × 2,495,481.95 - Step 4: Simplify right side
2,782,066.43x = 9,601,875,824,272.05 - Step 5: Solve for x
x = 9,601,875,824,272.05/2,782,066.43 - Step 6: Final answer
x = 3,451,346.72
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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.