Finding the Fourth Proportional to 3,842,252.20, 5,763,378.30 and 3,605,861.80
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Solution
The fourth proportional to 3,842,252.20, 5,763,378.30 and 3,605,861.80 is: 5,408,792.70
Step by Step Solution
- Step 1: Write the proportion equation
3,842,252.20 : 5,763,378.30 = 3,605,861.80 : x - Step 2: Convert to fraction form
3,842,252.20/5,763,378.30 = 3,605,861.80/x - Step 3: Cross multiply
3,842,252.20x = 5,763,378.30 × 3,605,861.80 - Step 4: Simplify right side
3,842,252.20x = 20,781,945,650,918.94 - Step 5: Solve for x
x = 20,781,945,650,918.94/3,842,252.20 - Step 6: Final answer
x = 5,408,792.70
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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.