Finding the Fourth Proportional to 1,586,891.80, 2,380,337.70 and 521,968.60
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Solution
The fourth proportional to 1,586,891.80, 2,380,337.70 and 521,968.60 is: 782,952.90
Step by Step Solution
- Step 1: Write the proportion equation
1,586,891.80 : 2,380,337.70 = 521,968.60 : x - Step 2: Convert to fraction form
1,586,891.80/2,380,337.70 = 521,968.60/x - Step 3: Cross multiply
1,586,891.80x = 2,380,337.70 × 521,968.60 - Step 4: Simplify right side
1,586,891.80x = 1,242,461,536,796.22 - Step 5: Solve for x
x = 1,242,461,536,796.22/1,586,891.80 - Step 6: Final answer
x = 782,952.90
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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.