Finding the Fourth Proportional to 3,551,341.20, 5,327,400.60 and 3,439,366.80
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Solution
The fourth proportional to 3,551,341.20, 5,327,400.60 and 3,439,366.80 is: 5,159,426.74
Step by Step Solution
- Step 1: Write the proportion equation
3,551,341.20 : 5,327,400.60 = 3,439,366.80 : x - Step 2: Convert to fraction form
3,551,341.20/5,327,400.60 = 3,439,366.80/x - Step 3: Cross multiply
3,551,341.20x = 5,327,400.60 × 3,439,366.80 - Step 4: Simplify right side
3,551,341.20x = 18,322,884,753,940.08 - Step 5: Solve for x
x = 18,322,884,753,940.08/3,551,341.20 - Step 6: Final answer
x = 5,159,426.74
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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.