Finding the Fourth Proportional to 1,581,586.40, 2,182,625.88 and 902,586.08
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Solution
The fourth proportional to 1,581,586.40, 2,182,625.88 and 902,586.08 is: 1,245,589.70
Step by Step Solution
- Step 1: Write the proportion equation
1,581,586.40 : 2,182,625.88 = 902,586.08 : x - Step 2: Convert to fraction form
1,581,586.40/2,182,625.88 = 902,586.08/x - Step 3: Cross multiply
1,581,586.40x = 2,182,625.88 × 902,586.08 - Step 4: Simplify right side
1,581,586.40x = 1,970,007,737,135.75 - Step 5: Solve for x
x = 1,970,007,737,135.75/1,581,586.40 - Step 6: Final answer
x = 1,245,589.70
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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.