Finding the Fourth Proportional to 3,914,412.60, 5,869,697.92 and 1,608,487.99
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Solution
The fourth proportional to 3,914,412.60, 5,869,697.92 and 1,608,487.99 is: 2,411,942.62
Step by Step Solution
- Step 1: Write the proportion equation
3,914,412.60 : 5,869,697.92 = 1,608,487.99 : x - Step 2: Convert to fraction form
3,914,412.60/5,869,697.92 = 1,608,487.99/x - Step 3: Cross multiply
3,914,412.60x = 5,869,697.92 × 1,608,487.99 - Step 4: Simplify right side
3,914,412.60x = 9,441,338,590,552.52 - Step 5: Solve for x
x = 9,441,338,590,552.52/3,914,412.60 - Step 6: Final answer
x = 2,411,942.62
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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.