Finding the Fourth Proportional to 3,505,672.14, 5,260,359.65 and 2,487,581.09
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Solution
The fourth proportional to 3,505,672.14, 5,260,359.65 and 2,487,581.09 is: 3,732,685.38
Step by Step Solution
- Step 1: Write the proportion equation
3,505,672.14 : 5,260,359.65 = 2,487,581.09 : x - Step 2: Convert to fraction form
3,505,672.14/5,260,359.65 = 2,487,581.09/x - Step 3: Cross multiply
3,505,672.14x = 5,260,359.65 × 2,487,581.09 - Step 4: Simplify right side
3,505,672.14x = 13,085,571,153,199.31 - Step 5: Solve for x
x = 13,085,571,153,199.31/3,505,672.14 - Step 6: Final answer
x = 3,732,685.38
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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.